Radial, Angular, and 4-point Contact Thin Section Ball ... · PDF fileThin Section Ball...
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Thin Section Ball Bearings
Industrial TectonicsBearings
ISO9001/AS9100
www.rbcbearings.com800.390.3300
Precision-engineered solutions for aerospace,semiconductor, and custom machinery applications.
Radial, Angular, and 4-point Contact
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RBC Bearings Incorporated (RBC Bearings, RBC) has had a longtradition of innovation, commitment, and quality since the companywas founded in 1919. Today, RBC Bearings has grown into a world-class manufacturer of standard and custom-engineered bearings andrelated products, with a product focus on research, testing, anddevelopment of the best product for specific applications.
What We Manufacture
RBC Bearings, with facilities throughout North America andEurope, provides bearings and precision products for applications inthe construction, mining, material handling, transportation and off-highway equipment, robotics and automation, farming, machinetool, and semiconductor equipment industries. Through RBCAerospace Bearings, the company is a major manufacturer of high-ly-engineered bearings and precision products for military, defense,and commercial aerospace applications.
RBC’s high-quality bearings include:
• Heavy Duty Needle Roller Bearings - Pitchlign® caged heavyduty needle roller bearings, inner rings, type TJ TandemRoller®
bearings for long life.
• Spherical Plain Bearings - Radial, angular, contact, high mis-alignment, extended inner ring, DuraLube™ maintenance-freespherical plain bearings, QuadLube® long life bearings,ImpactTuff® case carburized bearings, ShimPack® double-actingangular contact bearings, CrossLube® lubrication groove systems,SpreadLock® Seal, and MillTuff™ 3-part bearings.
• Cam Followers and Yoke Rollers - Standard stud, heavy stud,yoke type, caged roller followers, RBC Roller® long life cam fol-lowers, HexLube® universal cam followers, airframe track rollers.Mastguide rollers and carriage rollers, chain sheaves (for leaf chain),toothless sprockets (for roller chain), and heavy-duty roller bearingconstruction.
• Rod Ends - Commercial and aerospace, precision, Mil-Specseries, self-lubricating, inch and metric. Heim®, Unibal®, andSpherco™ brands.
• Self-Lubricating Bearings - Radial, thrust, rod ends, sphericalplain bearings, high temperature, high loads, inch and metric.Fiberglide® brand.
• Thin Section Ball Bearings - Standard cross sections to one inch.Sizes to 40 inches. Stainless steel and other materials available.Seals available on all sizes and standard cross sections.
• Airframe Control Bearings - Ball bearing types, self-lubricatingtypes, needle roller track rollers.
• Ground, Semiground, and Unground Ball Bearings - Full com-plement, utilizes design and burnished races for higher loads, longlife, and smooth operation.
• Dowel Pins, Loose Needle Rollers, Shafts
• Tapered Roller and Tapered Thrust Bearings - Case-hardenedand through-hardened in a variety of sizes, used in Class 8 heavytruck and trailer wheel bearings, final drive transmissions and gearboxes.
• Custom Designed Bearings - RBC produces a wide range of cus-tom bearings in various materials for specific applications.
RBC Thin Section Bearings
RBC thin section ball bearings are engineered to solve a variety ofdesign problems that cannot be solved with conventional ball bearings.
A bearing is considered a thin section when the bore diameter is greaterthan four times the radial cross section. Within any thin section bearingseries, the cross section remains constant as the bore diameter changes.Typically the cross section is twice the ball diameter, and nominaldimensions are given in inches.
Some advantages of RBC thin section ball bearings are:
• Light weight • Multi-load capabilities• High stiffness • Variety of cross sections & sizes• Small cross section • Modified & custom bearings
RBC thin section ball bearings are most often found where space limita-tions, combined loading, and weight restrictions pose unique designrequirements.
RBC also designs and manufactures special thin section ball bearingstailored for specific applications.
How We Can Serve You
RBC has implemented a total quality control system that uses statisticalquality control at all facilities, and manufactures in high volume to ajust-in-time program.
To serve the ongoing needs of customers, RBC has a network of over1,600 distributors and sales engineers throughout the US, Europe andSouth America, with authorized agents worldwide. For assistance withyour bearing application, contact:
Customer Service - 800.390.3300
Warranty
RBC products are warranted for material and workmanship for a periodnot to exceed 90 days from shipment and for a value not to exceed purchase price. No other warranty is in effect.
Disclaimer and Intellectual Property Statement
The materials comprising this Catalog are provided by RBC BearingsIncorporated (“RBC Bearings, RBC”) as a service to its customers onan "as-is" basis for informational purposes only. RBC assumes noresponsibility for any errors or omissions in these materials. RBCmakes no commitment to update the information contained herein.
RBC makes no, and expressly disclaims any, representations or warranties, express or implied, regarding the Catalog, including, without limitation, any implied warranties of merchantability or fitnessfor a particular purpose. RBC makes no, and expressly disclaims any,warranties, express or implied, regarding the correctness, accuracy,completeness, timeliness, and reliability of the text, graphics and anyother items in the Catalog. Under no circumstances shall RBC, its affiliates, or any of its respective partners, officers, directors, employees, agents or representatives be liable for any damages,whether direct, indirect, special or consequential damages for lost revenues, lost profits, or otherwise, arising from or in connection withthis Catalog and the materials contained herein.
All materials contained in the Catalog are protected by copyright laws,and may not be reproduced, republished, distributed, transmitted, displayed, broadcast or otherwise exploited in any manner without theexpress prior written permission of RBC.
RBC's names and logos and all related trademarks (including RBC PartNumbers, Series Numbers, and Cone and Cup Numbers), tradenames,and other intellectual property are the property of RBC Bearings andcannot be used without its express prior written permission.
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TABLE OF CONTENTSSelection Guide
Part Number Designation
Product Tables
Radial (Conrad) Contact C-Type
Angular Contact A-Type
4-Point Contact X-Type
Sealed Radial (Conrad) Contact C-Type
Sealed 4-Point Contact X-Type
Engineering Data
Tolerance Tables
Custom Features
Typical Applications & Custom Bearings
Engineering Application Data
4
5
6 - 11
12 - 17
18 - 23
24 - 25
26 - 27
28 - 33
34 - 36
37 - 39
40 - 42
43
KAA1.0 - 1.5"
KA2.0 - 12.0"
KB2.0 - 20.0"
KC4.0 - 30.0"
JU4.0 - 12.0"
KD4.0 - 30.0"
KF4.0 - 40.0"
KG4.0 - 40.0"
3/16"
Series :Bore Size :
CROSSSECTION 1/4" 5/16" 3/8" 3/8" 1/2" 3/4" 1"
CROSS SECTIONS OFRBC THIN SECTION BALL BEARINGS
TAB
LE
OF
CO
NT
EN
TS
SE
LE
CT
ION
GU
IDE
PAR
T #
DESIGNATIO
NR
AD
IAL
C-T
YP
EANG
ULARA
-TY
PE
4-PT.
X-T
YP
ES
EA
LE
DC
-TY
PE
SE
AL
ED
X-T
YP
EENG
INEERINGD
ATA
TOLERANCES&
FIT
SC
US
TOM
FE
AT
UR
ES
SE
PAR
TOR
GU
IDE
TY
PIC
AL
APPLICATIONS
CU
STO
MB
EA
RIN
GS
DA
TAFA
X
4
RBC THIN SECTION BALL BEARING SELECTION
LOAD CONDITIONBearing
TypeBall
ContractReversing
AxialCombined
Radial, Axial & MomentRadial Axial Moment
C Radial Good Fair Poor Fair PoorA Angular Good Very Good Do not use Do not use Do not use X 4-Point Fair Good Good Good FairB Double Angular Very Good Very Good Very Good Very Good GoodF Double Angular Very Good Very Good Very Good Very Good GoodT Double Angular Very Good Excellent Do not use Do not use Do not use M Double Angular Excellent Excellent Excellent Excellent Excellent W Double Angular Excellent Excellent Excellent Excellent Excellent
C—TYPE(RADIAL CONTACT)
A—TYPE(ANGULAR CONTACT)
X—TYPE(4-POINT CONTACT)
B—TYPEDUPLEX BACK-TO-BACK (DB)
F—TYPEDUPLEX FACE-TO-FACE (DF)
T—TYPEDUPLEX TANDEM (DT)
M—TYPE SUPERDUPLEX BACK-TO-BACK
For more information visit our web site at rbcbearings.com
W—TYPESUPERDUPLEX FACE-TO-FACE
5
XType
6
PSeparator
7
0Precision
8
M*Radial Play
9**
0.187
0.250
0.312
0.375
0.500
0.750
1.000
0.375
0.187
0.250
0.312
0.375
0.500
0.750
1.000
0.500
x
x
x
x
x
x
x
x
AA
A
B
C
D
F
G
U
A
B
C
F
M
T
W
X
Angular contact single bearing
Back-to-Back Angular contact duplex pair
Radial contact
Face-to-Face Angular contact duplex pair
Super duplex Back-to-Back
Tandem Angular contact duplex pair
Super duplex Face-to-Face
Four-point contact
Position 6 - TypePosition 2 - Series
RBC THIN SECTION BALL BEARINGSPART NUMBER DESIGNATION
EXAMPLENOMENCLATUREPOSITION
KMaterial
1
ASeries
2
52100 Bearing Steel
52100 Bearing Steel
M-50 Tool Steel
52100 Bearing Steel
440 C Stainless Steel
Other
J
K
M
N
S
Z
Two seals - molded rubber, steel reinforced
No seals or shields
No seals or shields
Thin Dense Chrome plating
No seals or shields
Rings, Balls Seals, Shields, Coating
Position 1 - Material
0
3
4
6
ABEC 1F
ABEC 3F
ABEC 5F
ABEC 7F
Reference: ANSI/ABMA Std 26.2
Class Description
Position 8 - RBC Precision Class
1
3
2Size
4
0
5
RBC
*The alphanumeric identification systemis used under license.
Bore size (inches)multiplied by 10
Positions 3, 4, 5 - Size
SE
LE
CT
ION
GU
IDE
PAR
T #
DESIGNATIO
N
Snap-over cage
None (full complement)
Circular pocket
Circular pocket
Snap-over cage
Snap-over cage
Circular pocket
Snap-over cage
Circular pocket
Other (toroids, spacer balls, etc.)
D
F
G
H
L
P
R
T
U
Z
Position 7 - Separator
Phenolic Laminate
N/A
Nylon
Phenolic Laminate
Nylon
Brass or Composite
Brass or Composite
Stainless Steel
Stainless Steel
as specified
.0000 to .0005 C
.0000 to .0010 C
.0005 to .0010 C
.0005 to .0015 C
.0010 to .0020 C
.0015 to .0025 C
.0020 to .0030 C
.0030 to .0040 C
.0040 to .0050 C
.0050 to .0060 C
.0000 to .0005 P
.0000 to .0010 P
.0005 to .0010 P
.0005 to .0015 P
.0010 to .0020 P
.0015 to .0025 P
.0020 to .0030 P
.0030 to .0040 P
.0040 to .0050 POther
ABCDEFGHIJKLMNPRSTUZ
Code
Position 9 -Radial Clearance (C)
Radial or Axial Preload (P)
**Position 9 only required when designating special radial play.Standard Radial play is shown intolerance tables, pages 34 - 36.
Note: Radially & axially preloadedbearings meet bore and O.D.tolerances prior to preload.
Series Radial Thickness Width
Type Design Material
Type Description
6*The alphanumeric identification system is used under license.
RADIAL CONTACT, C-TYPEThin Section Ball Bearings
BBore
PARTNUMBER* Ball
Diameterf1
0.0150.0150.0250.0320.0250.0320.0250.0320.0250.0320.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.080
3/323/321/8
5/321/8
5/321/8
5/321/8
5/321/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2
1.00001.50002.00002.00002.50002.50003.00003.00003.50003.50004.00004.00004.00004.00004.00004.00004.25004.25004.25004.25004.25004.25004.50004.50004.50004.50004.50004.50004.75004.75004.75004.75004.75004.75005.00005.00005.00005.00005.00005.00005.50005.50005.50005.50005.50005.5000
1.37501.87502.50002.62503.00003.12503.50003.62504.00004.12504.50004.62504.75005.00005.50006.00004.75004.87505.00005.25005.75006.25005.00005.12505.25005.50006.00006.50005.25005.37505.50005.75006.25006.75005.50005.62505.75006.00006.50007.00006.00006.12506.25006.50007.00007.5000
0.1875 0.1875 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000
1.1411.6412.1882.2342.6882.7343.1883.2343.6883.7344.1884.2344.2814.3754.5634.7504.4384.4844.5314.6254.8135.0004.6884.7344.7814.8755.0635.2504.9384.9845.0315.1255.3135.5005.1885.2345.2815.3755.5635.7505.6885.7345.7815.8756.0636.250
1.2341.7342.3132.3912.8132.8913.3133.3913.8133.8974.3134.3914.4694.6254.9385.2504.5634.6414.7194.8755.1885.5004.8134.8914.9695.1255.4385.7505.0635.1415.2195.3755.6886.0005.3135.3915.4695.6255.9386.2505.8135.8915.9696.1256.4386.750
KAA10CL0*RBCKAA15CL0*RBCKA020CP0*RBCKB020CP0*RBCKA025CP0*RBCKB025CP0*RBCKA030CP0*RBCKB030CP0*RBCKA035CP0*RBCKB035CP0*RBCKA040CP0*RBCKB040CP0*RBCKC040CP0*RBCKD040CP0*RBCKF040CP0*RBCKG040CP0*RBCKA042CP0*RBCKB042CP0*RBCKC042CP0*RBCKD042CP0*RBCKF042CP0*RBCKG042CP0*RBCKA045CP0*RBCKB045CP0*RBCKC045CP0*RBCKD045CP0*RBCKF045CP0*RBCKG045CP0*RBCKA047CP0*RBCKB047CP0*RBCKC047CP0*RBCKD047CP0*RBCKF047CP0*RBCKG047CP0*RBCKA050CP0*RBCKB050CP0*RBCKC050CP0*RBCKD050CP0*RBCKF050CP0*RBCKG050CP0*RBCKA055CP0*RBCKB055CP0*RBCKC055CP0*RBCKD055CP0*RBCKF055CP0*RBCKG055CP0*RBC
KAASeries:Cross Section Size: 3/16"
KA1/4"
KB5/16"
KC3/8"
KD1/2"
KF3/4"
KG1"
.187 .250 .312 .375.500
.750
1.000
Housing FilletLo -Outer RingLi -Inner RingLand DiameterW
WidthD
Outside Diameter
NOMINAL DIMENSIONS IN INCHES
7Refer to the Engineering Data section for load and speed limitations.
LimitingSpeed(RPM)
Ball Quantity
Approx.Weight (lb)
LOAD RATINGSRadial (lbf) Thrust (lbf) Moment (lbf - in)
21292723332839334538514335271915544537282015574839302116605041312217635343332318695847362519
0.030.040.100.160.130.200.150.240.180.270.190.300.450.781.903.600.200.310.470.832.003.800.220.330.480.882.104.000.230.340.500.942.204.100.240.380.581.002.304.300.250.410.591.062.504.70
240330540730650880760
1,020880
1,170990
1,3101,5502,4703,9906,4801,0401,3701,6402,5604,2006,4801,1001,4601,7202,7304,4106,9101,1601,5201,8002,8104,6107,3401,2101,6101,8902,9904,8007,7701,3201,7502,0603,2405,1908,210
300350560800610860650920690970720
1,0201,2902,2503,9406,700
7301,0301,3202,2704,0706,700
7501,0601,3502,3504,2107,000
7601,0701,3702,3604,3107,290
7701,1001,3902,4304,3807,570
8001,1301,4402,5104,5407,850
480650
1,0801,4601,3101,7501,5302,0501,7502,3401,9802,6303,1104,9507,980
12,9602,0902,7403,2705,1108,400
12,9602,2002,9203,4405,4608,820
13,8202,3103,0303,6105,6209,220
14,6802,4203,2103,7805,9709,600
15,5502,6503,5004,1106,480
10,37016,410
210350740
1,070970
1,4101,2201,7701,4902,1401,7702,5503,2805,870
10,85019,4401,9002,7303,5506,250
11,81020,4102,0602,9603,8106,820
12,81022,3202,2203,1404,0707,180
13,74024,3002,3503,3904,3407,740
14,62026,3402,6603,8104,9008,720
16,46029,580
16,84011,8508,8908,6507,2707,1106,1506,0405,3305,2504,7104,6404,5704,4404,2104,0004,4404,3804,3204,2104,0003,8104,2104,1604,1004,0003,8103,6404,0003,9503,9003,8103,6403,4803,8103,7603,7203,6403,4803,3303,4803,4403,4003,3303,2003,080
110220490680720990990
1,3601,3201,7801,6802,2702,7204,4507,580
12,9601,8802,5003,0304,8608,400
13,6002,0902,8103,3605,4609,270
15,2002,3103,0703,7005,910
10,14016,8902,5403,4104,0606,570
11,05018,6603,0404,0704,8307,780
12,97021,330
8801,0201,6402,3201,7702,5101,8802,6801,9902,8102,0802,9503,7406,520
11,42019,4402,1103,0003,8306,580
11,81019,4402,1703,0803,9106,820
12,20020,2902,2203,1103,9706,840
12,49021,1302,2403,1904,0407,040
12,71021,9502,3203,2804,1707,270
13,17022,750
RA
DIA
LC
-TY
PE
W
D
B
Lo
Li
to clear f max (4 places)1
DynamicStaticDynamicStaticDynamicStatic
• Large Diameter
• Light Weight
• Small Cross Section
• Snap-Over Ball Separator
8
KAASeries:Cross Section Size: 3/16"
KA1/4"
KB5/16"
KC3/8"
KD1/2"
KF3/4"
KG1"
.187 .250 .312 .375.500
.750
1.000
PARTNUMBER*
RADIAL CONTACT, C-TYPEThin Section Ball Bearings
*The alphanumeric identification system is used under license.
f1BBore Housing FilletLo -Outer RingLi -Inner Ring
Land DiameterWWidth
DOutside Diameter
Ball Diameter
KA060CP0*RBCKB060CP0*RBCKC060CP0*RBCKD060CP0*RBCKF060CP0*RBCKG060CP0*RBCKA065CP0*RBCKB065CP0*RBCKC065CP0*RBCKD065CP0*RBCKF065CP0*RBCKG065CP0*RBCKA070CP0*RBCKB070CP0*RBCKC070CP0*RBCKD070CP0*RBCKF070CP0*RBCKG070CP0*RBCKA075CP0*RBCKB075CP0*RBCKC075CP0*RBCKD075CP0*RBCKF075CP0*RBCKG075CP0*RBCKA080CP0*RBCKB080CP0*RBCKC080CP0*RBCKD080CP0*RBCKF080CP0*RBCKG080CP0*RBCKA090CP0*RBCKB090CP0*RBCKC090CP0*RBCKD090CP0*RBCKF090CP0*RBCKG090CP0*RBCKA100CP0*RBCKB100CP0*RBCKC100CP0*RBCKD100CP0*RBCKF100CP0*RBCKG100CP0*RBC
6.50006.62506.75007.00007.50008.00007.00007.12507.25007.50008.00008.50007.50007.62507.75008.00008.50009.00008.00008.12508.25008.50009.00009.50008.50008.62508.75009.00009.5000
10.00009.50009.62509.7500
10.000010.500011.000010.500010.625010.750011.000011.500012.0000
6.00006.00006.00006.00006.00006.00006.50006.50006.50006.50006.50006.50007.00007.00007.00007.00007.00007.00007.50007.50007.50007.50007.50007.50008.00008.00008.00008.00008.00008.00009.00009.00009.00009.00009.00009.0000
10.000010.000010.000010.000010.000010.0000
0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000
6.1886.2346.2816.3756.5636.7506.6886.7346.7816.8757.0637.2507.1887.2347.2817.3757.5637.7507.6887.7347.7817.8758.0638.2508.1888.2348.2818.3758.5638.7509.1889.2349.2819.3759.5639.750
10.18810.23410.28110.37510.56310.750
6.3136.3916.4696.6256.9387.2506.8136.8916.9697.1257.4387.7507.3137.3917.4697.6257.9388.2507.8137.8917.9698.1258.4388.7508.3138.3918.4698.6258.9389.2509.3139.3919.4699.6259.938
10.25010.31310.39110.46910.62510.93811.250
0.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.080
1/8 5/321/8
5/321/8
5/321/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2
NOMINAL DIMENSIONS IN INCHES
9
LimitingSpeed(RPM)
Ball Quantity
Approx.Weight (lb)
LOAD RATINGSRadial (lbf) Thrust (lbf) Moment (lbf - in)
W
D
B
Lo
Li
to clear f max (4 places)1
RA
DIA
LC
-TY
PE
Refer to the Engineering Data section for load and speed limitations.
Static Dynamic Static Dynamic Static Dynamic756351392721816855422922877359453124937863483325998367513527
1119375573930
12310383634333
0.280.440.631.162.705.100.300.470.681.222.905.400.310.500.731.313.205.800.340.530.781.413.406.100.380.570.841.533.506.500.440.660.941.723.907.200.500.731.061.884.307.90
1,4401,9002,2203,5005,5709,0701,5502,0402,3903,7505,9509,4501,6602,1902,5604,0106,340
10,2601,7702,3302,7304,2706,720
10,6401,8802,4802,9004,5207,100
11,4402,1102,7703,2305,0307,870
12,6302,3303,0603,5705,5408,630
13,810
2,8703,7904,4506,990
11,13018,1403,1004,0804,7907,500
11,90018,9103,3204,3805,1208,020
12,67020,5203,5404,6705,4508,530
13,44021,2703,7704,9605,7909,040
14,20022,8904,2105,5406,470
10,06015,74025,2704,6606,1307,140
11,08017,26027,620
3,0204,2705,5109,740
18,26034,0503,3104,7306,110
10,76020,16037,0503,6605,2606,710
11,87022,13041,2104,0005,8007,300
12,99024,10044,1904,3506,1907,990
14,09026,07048,5205,0507,1909,410
16,39030,32056,3905,8608,350
10,73018,68034,53064,040
3,2003,1703,1403,0802,9602,8602,9602,9402,9102,8602,7602,6702,7602,7402,7102,6702,5802,5002,5802,5602,5402,5002,4202,3502,4202,4102,3902,3502,2902,2202,1602,1502,1302,1102,0502,0001,9501,9401,9301,9001,8601,820
3,5904,7905,6709,090
15,03025,3904,1805,5606,580
10,50017,25028,3604,8106,4007,550
12,03019,64032,8405,4907,3008,590
13,65022,17036,1606,2208,2409,700
15,37024,84041,2007,800
10,32012,12019,12030,69050,5409,560
12,63014,81023,27037,11060,760
2,4203,3804,3207,500
13,53024,3202,4503,4704,4407,680
13,90024,7002,5203,6004,5507,910
14,28025,7502,5803,7104,6408,120
14,61025,9902,6403,7204,7708,290
14,90026,9602,7303,8605,0208,620
15,55028,2002,8604,0505,1708,900
16,06029,110
8301,1701,4902,5804,6608,390
8501,2001,5302,6504,7908,520
8701,2401,5702,7304,9208,880
8901,2801,6002,8005,0408,960
9101,2801,6502,8605,1409,300
9401,3301,7302,9705,3609,720
9901,4001,7803,0705,540
10,040
• Large Diameter
• Light Weight
• Small Cross Section
• Snap-Over Ball Separator
10
KAASeries:Cross Section Size: 3/16"
KA1/4"
KB5/16"
KC3/8"
KD1/2"
KF3/4"
KG1"
.187 .250 .312 .375.500
.750
1.000
PARTNUMBER*
11.000011.000011.000011.000011.000011.000012.000012.000012.000012.000012.000012.000014.000014.000014.000014.000014.000016.000016.000016.000016.000016.000018.000018.000018.000018.000018.000020.000020.000020.000020.000020.000025.000025.000025.000025.000030.000030.000030.000030.000035.000035.000040.000040.0000
0.0250.0320.0400.0600.0800.0800.0250.0320.0400.0600.0800.0800.0320.0400.0600.0800.0800.0320.0400.0600.0800.0800.0320.0400.0600.0800.0800.0320.0400.0600.0800.0800.0400.0600.0800.0800.0400.0600.0800.0800.0800.0800.0800.080
11.31311.39111.46911.62511.93812.25012.31312.39112.46912.62512.93813.25014.39114.46914.62514.93815.25016.39116.46916.62516.93817.25018.39118.46918.62518.93819.25020.39120.46920.62520.93821.25025.46925.62525.93826.25030.46930.62530.93831.25035.93836.25040.93841.250
RADIAL CONTACT, C-TYPEThin Section Ball Bearings
*The alphanumeric identification system is used under license.
KA110CP0*RBCKB110CP0*RBCKC110CP0*RBCKD110CP0*RBCKF110CP0*RBCKG110CP0*RBCKA120CP0*RBCKB120CP0*RBCKC120CP0*RBCKD120CP0*RBCKF120CP0*RBCKG120CP0*RBCKB140CP0*RBCKC140CP0*RBCKD140CP0*RBCKF140CP0*RBCKG140CP0*RBCKB160CP0*RBCKC160CP0*RBCKD160CP0*RBCKF160CP0*RBCKG160CP0*RBCKB180CP0*RBCKC180CP0*RBCKD180CP0*RBCKF180CP0*RBCKG180CP0*RBCKB200CP0*RBCKC200CP0*RBCKD200CP0*RBCKF200CP0*RBCKG200CP0*RBCKC250CP0*RBCKD250CP0*RBCKF250CP0*RBCKG250CP0*RBCKC300CP0*RBCKD300CP0*RBCKF300CP0*RBCKG300CP0*RBCKF350CP0*RBCKG350CP0*RBCKF400CP0*RBCKG400CP0*RBC
f1BBore Housing FilletLo -Outer RingLi -Inner Ring
Land DiameterWWidth
DOutside Diameter
Ball Diameter
11.500011.625011.750012.000012.500013.000012.500012.625012.750013.000013.500014.000014.625014.750015.000015.500016.000016.625016.750017.000017.500018.000018.625018.750019.000019.500020.000020.625020.750021.000021.500022.000025.750026.000026.500027.000030.750031.000031.500032.000036.500037.000041.500042.0000
11.18811.23411.28111.37511.56311.75012.18812.23412.28112.37512.56312.75014.23414.28114.37514.56314.75016.23416.28116.37516.56316.75018.23418.28118.37518.56318.75020.23420.28120.37520.56320.75025.28125.37525.56325.75030.28130.37530.56330.75035.56335.75040.56340.750
0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3750 0.5000 0.7500 1.0000 0.3750 0.5000 0.7500 1.0000 0.7500 1.0000 0.7500 1.0000
1/8 5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2
5/323/161/4 3/8 1/2
5/323/161/4 3/8 1/2
5/323/161/4 3/8 1/2
5/323/161/4 3/8 1/2
3/161/4 3/8 1/2
3/161/4 3/8 1/2 3/8 1/2 3/8 1/2
NOMINAL DIMENSIONS IN INCHES
11
LimitingSpeed(RPM)
Ball Quantity
Approx.Weight (lb)
LOAD RATINGSRadial (lbf) Thrust (lbf) Moment (lbf - in)
Refer to the Engineering Data section for load and speed limitations.
0.520.751.162.064.808.600.560.831.252.255.209.301.051.522.736.00
10.801.201.733.107.10
12.301.351.943.487.90
13.701.502.163.858.90
15.802.694.79
10.9019.503.215.73
13.0023.3015.1027.1017.2030.80
2,5603,3503,9006,0509,400
14,9902,7803,6404,2406,570
10,17016,1704,2204,9107,590
11,70018,5404,8105,5808,610
13,24020,9005,3906,2509,630
14,78023,2705,9706,920
10,66016,31025,6208,600
13,20020,14031,55010,28015,77023,98037,47027,81043,34031,65049,290
1,0301,4201,8203,1805,730
10,3601,0601,4701,8903,3205,930
10,6901,5602,0003,4606,240
11,2801,6602,0903,6206,550
11,8201,7402,2003,7506,890
12,3001,8102,3003,9307,090
12,6802,5204,2307,550
13,8302,7604,6408,150
14,6608,610
15,2109,150
16,230
2,9804,1305,2809,220
16,61030,0603,0804,2705,4709,630
17,20030,9904,5205,800
10,03018,09032,7104,8006,050
10,50019,00034,2705,0506,390
10,87019,98035,6605,2606,670
11,38020,57036,7807,300
12,26021,91040,1008,000
13,44023,62042,51024,97044,12026,53047,080
11,50015,16017,75027,83044,16071,94013,62017,94020,98032,84051,86084,10024,18028,24044,02069,050
111,25031,37036,55056,85088,690
142,15039,49045,96071,270
110,840176,87048,52056,43087,400
135,390215,21087,290
134,690207,390328,150124,910192,420294,970464,640397,620624,100515,930808,420
6,7009,340
12,02021,21039,04072,1407,550
10,53013,55024,07043,85080,58012,93016,68029,10053,38098,14015,67019,83034,66063,630
116,53018,49023,48040,20074,910
135,51021,37027,17046,68085,380
154,49037,07062,530
112,830208,54048,61082,010
145,270263,580178,510317,650216,240386,040
1,7801,7701,7601,7401,7001,6701,6301,6201,6201,6001,5701,5401,4001,3901,3801,3601,3301,2301,2201,2101,1901,1801,0901,0901,0801,0701,050
980980980960950790780780770660660650650560560490490
W
D
B
Lo
Li
to clear f max (4 places)1
RA
DIA
LC
-TY
PE
DynamicStaticDynamicStaticDynamicStatic13511391694736
14712399755139
143115875945
163131996751
1831471117557
2031631238363
20315310378
24318312393
143108163123
5,1106,7007,800
12,10018,79029,9805,5607,2908,480
13,14020,34032,3508,4509,820
15,18023,41037,0809,620
11,16017,23026,48041,81010,78012,51019,26029,56046,54011,94013,85021,32032,62051,24017,20026,41040,27063,11020,56031,54047,96074,94055,61086,68063,30098,590
• Large Diameter
• Light Weight
• Small Cross Section
• Snap-Over Ball Separator
12*The alphanumeric identification system is used under license.
ANGULAR CONTACT, A-TYPEThin Section Ball Bearings
PARTNUMBER*
1.0000 1.5000 2.0000 2.0000 2.5000 2.5000 3.0000 3.0000 3.5000 3.5000 4.0000 4.0000 4.0000 4.0000 4.0000 4.0000 4.2500 4.2500 4.2500 4.2500 4.2500 4.2500 4.5000 4.5000 4.5000 4.5000 4.5000 4.5000 4.7500 4.7500 4.7500 4.7500 4.7500 4.7500 5.0000 5.0000 5.0000 5.0000 5.0000 5.0000 5.5000 5.5000 5.5000 5.5000 5.5000 5.5000
1.3750 1.8750 2.5000 2.6250 3.0000 3.1250 3.5000 3.6250 4.0000 4.1250 4.5000 4.6250 4.7500 5.0000 5.5000 6.0000 4.7500 4.8750 5.0000 5.2500 5.7500 6.2500 5.0000 5.1250 5.2500 5.5000 6.0000 6.5000 5.2500 5.3750 5.5000 5.7500 6.2500 6.7500 5.5000 5.6250 5.7500 6.0000 6.5000 7.0000 6.0000 6.1250 6.2500 6.5000 7.0000 7.5000
0.1875 0.1875 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000
0.015 0.015 0.025 0.032 0.025 0.032 0.025 0.032 0.025 0.032 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.0800.080
3/323/321/8
5/321/8
5/321/8
5/321/8
5/321/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2
1.141 1.641 2.188 2.234 2.688 2.734 3.188 3.234 3.688 3.734 4.188 4.234 4.281 4.375 4.563 4.750 4.438 4.484 4.531 4.625 4.813 5.000 4.688 4.734 4.781 4.875 5.063 5.250 4.938 4.984 5.031 5.125 5.313 5.500 5.188 5.234 5.281 5.375 5.563 5.750 5.688 5.734 5.781 5.875 6.063 6.250
1.234 1.734 2.313 2.391 2.813 2.891 3.313 3.391 3.813 3.891 4.313 4.391 4.469 4.625 4.938 5.250 4.563 4.641 4.719 4.875 5.188 5.500 4.813 4.891 4.969 5.125 5.438 5.750 5.063 5.141 5.219 5.375 5.688 6.000 5.313 5.391 5.469 5.625 5.938 6.250 5.813 5.891 5.969 6.125 6.438 6.750
1.235 1.735 2.375 2.469 2.875 2.969 3.375 3.469 3.875 3.969 4.375 4.469 4.563 4.750 5.125 5.500 4.625 4.719 4.813 5.000 5.375 5.750 4.875 4.969 5.063 5.250 5.625 6.000 5.125 5.219 5.313 5.500 5.875 6.250 5.375 5.469 5.563 5.750 6.125 6.500 5.875 5.969 6.063 6.250 6.625 7.000
KAA KA1/4"
KB5/16"
KC3/8"
KD1/2"
KF3/4"
KG1"
.187 .250 .312 .375.500
.750
1.000
Series:Cross Section Size: 3/16"
NOMINAL DIMENSIONS IN INCHESf1B
Bore Housing FilletLo -Outer Ring LS -Counter BoreLi -Inner RingLand DiameterW
WidthD
Outside DiameterBall
DiameterKAA10AG0*RBCKAA15AG0*RBCKA020AR0*RBCKB020AR0*RBCKA025AR0*RBCKB025AR0*RBCKA030AR0*RBCKB030AR0*RBCKA035AR0*RBCKB035AR0*RBCKA040AR0*RBCKB040AR0*RBCKC040AR0*RBCKD040AR0*RBCKF040AR0*RBCKG040AR0*RBCKA042AR0*RBCKB042AR0*RBCKC042AR0*RBCKD042AR0*RBCKF042AR0*RBCKG042AR0*RBCKA045AR0*RBCKB045AR0*RBCKC045AR0*RBCKD045AR0*RBCKF045AR0*RBCKG045AR0*RBCKA047AR0*RBCKB047AR0*RBCKC047AR0*RBCKD047AR0*RBCKF047AR0*RBCKG047AR0*RBCKA050AR0*RBCKB050AR0*RBCKC050AR0*RBCKD050AR0*RBCKF050AR0*RBCKG050AR0*RBCKA055AR0*RBCKB055AR0*RBCKC055AR0*RBCKD055AR0*RBCKF055AR0*RBCKG055AR0*RBC
13
AN
GU
LA
RA
-TY
PE
W
D
B
L
Ls
i
Lo
to clear f max (4 places)1
Refer to the Engineering Data section for load and speed limitations.
LimitingSpeed(RPM)
Ball Quantity
Approx.Weight (lb)
LOAD RATINGSRadial (lbf) Thrust (lbf) Moment (lbf - in)
28403631443852446051685849362620726152382721766455402922806858423023847161443124927866483426
0.030.040.100.160.130.200.150.240.180.270.190.300.450.781.903.600.200.310.470.832.003.800.220.330.480.882.104.000.230.340.500.942.204.100.240.380.581.002.304.300.250.410.591.062.504.70
280390620840750
1,020880
1,1701,0101,3501,1401,5301,8702,8304,7207,6801,2001,6001,9802,9804,8808,0701,2601,6802,0903,1305,2208,4501,3301,7802,2003,2705,3808,8301,3901,8502,3103,4205,5409,2201,5202,0302,4903,7206,0409,940
330380600850640920680970720
1,020750
1,0801,4102,0704,3507,340
7701,0901,4402,4104,3907,580
7801,1201,4702,4604,5507,820
8001,1401,5002,5104,6108,060
8101,1601,5402,5504,6508,290
8301,2001,5602,6404,8208,610
8301,1601,8602,5302,2503,0602,6303,5103,0204,0503,4104,5805,6108,500
14,16023,0503,6004,8005,9408,930
14,63024,2003,7905,0306,2709,380
15,65025,3503,9905,3306,5909,820
16,15026,5004,1805,5606,920
10,26016,63027,6604,5706,0907,460
11,15018,12029,810
9601,1001,7302,4601,8602,6801,9802,8002,0702,9702,1803,1304,0806,020
12,62021,2902,2403,1704,1806,990
12,74021,9902,2603,2404,2607,140
13,20022,6902,3103,2904,3407,280
13,38023,3702,3603,3504,4507,400
13,48024,0402,4103,4804,5407,660
13,98024,960
N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
16,84011,8508,8908,6507,2707,1106,1506,0405,3305,2504,7104,6404,5704,4404,2104,0004,4404,3804,3204,2104,0003,8104,2104,1604,1004,0003,8103,6404,0003,9503,9003,8103,6403,4803,8103,7603,7203,6403,4803,3303,4803,4403,4003,3303,2003,080
DynamicStaticDynamicStaticDynamicStatic
• Large Diameter
• Light Weight
• Small Cross Section
• Circular Pocket Ball Separator
14
KAA KA1/4"
KB5/16"
KC3/8"
KD1/2"
KF3/4"
KG1"
.187 .250 .312 .375.500
.750
1.000
Series:Cross Section Size: 3/16"
PARTNUMBER*
0.2500 0.3125 0.37500.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000
0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.0320.040 0.060 0.080 0.080
6.188 6.234 6.281 6.375 6.563 6.750 6.688 6.734 6.781 6.875 7.063 7.250 7.188 7.234 7.281 7.375 7.563 7.750 7.688 7.734 7.781 7.875 8.063 8.250 8.188 8.234 8.281 8.375 8.563 8.750 9.188 9.234 9.281 9.375 9.563 9.750
10.188 10.234 10.281 10.375 10.563 10.750
6.313 6.391 6.469 6.625 6.938 7.250 6.813 6.891 6.969 7.125 7.438 7.750 7.313 7.391 7.469 7.625 7.938 8.250 7.813 7.891 7.969 8.125 8.438 8.750 8.313 8.391 8.469 8.625 8.938 9.250 9.313 9.391 9.469 9.625 9.938
10.250 10.313 10.391 10.469 10.625 10.938 11.250
ANGULAR CONTACT A-TYPEThin Section Ball Bearings
KA060AR0*RBCKB060AR0*RBCKC060AR0*RBCKD060AR0*RBCKF060AR0*RBCKG060AR0*RBCKA065AR0*RBCKB065AR0*RBCKC065AR0*RBCKD065AR0*RBCKF065AR0*RBCKG065AR0*RBCKA070AR0*RBCKB070AR0*RBCKC070AR0*RBCKD070AR0*RBCKF070AR0*RBCKG070AR0*RBCKA075AR0*RBCKB075AR0*RBCKC075AR0*RBCKD075AR0*RBCKF075AR0*RBCKG075AR0*RBCKA080AR0*RBCKB080AR0*RBCKC080AR0*RBCKD080AR0*RBCKF080AR0*RBCKG080AR0*RBCKA090AR0*RBCKB090AR0*RBCKC090AR0*RBCKD090AR0*RBCKF090AR0*RBCKG090AR0*RBCKA100AR0*RBCKB100AR0*RBCKC100AR0*RBCKD100AR0*RBCKF100AR0*RBCKG100AR0*RBC
*The alphanumeric identification system is used under license.
NOMINAL DIMENSIONS IN INCHESf1B
Bore Housing FilletLo -Outer Ring LS -Counter BoreLi -Inner RingLand DiameterW
WidthD
Outside DiameterBall
Diameter6.5000 6.6250 6.7500 7.0000 7.5000 8.0000 7.0000 7.1250 7.2500 7.5000 8.0000 8.5000 7.5000 7.6250 7.7500 8.0000 8.5000 9.0000 8.0000 8.1250 8.2500 8.5000 9.0000 9.5000 8.5000 8.6250 8.7500 9.0000 9.5000
10.0000 9.5000 9.6250 9.7500
10.0000 10.5000 11.0000 10.5000 10.6250 10.7500 11.0000 11.5000 12.0000
6.375 6.469 6.563 6.750 7.125 7.500 6.875 6.969 7.063 7.250 7.625 8.000 7.375 7.469 7.563 7.750 8.125 8.500 7.875 7.969 8.063 8.250 8.625 9.000 8.375 8.469 8.563 8.750 9.125 9.500 9.375 9.469 9.563 9.750
10.125 10.500 10.375 10.469 10.563 10.750 11.125 11.500
1/8 5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2
6.0000 6.0000 6.0000 6.0000 6.0000 6.0000 6.5000 6.5000 6.5000 6.5000 6.5000 6.5000 7.0000 7.0000 7.0000 7.0000 7.0000 7.0000 7.5000 7.5000 7.5000 7.5000 7.5000 7.5000 8.0000 8.0000 8.0000 8.0000 8.0000 8.0000 9.0000 9.0000 9.0000 9.0000 9.0000 9.0000
10.0000 10.0000 10.0000 10.0000 10.0000 10.0000
15
LimitingSpeed(RPM)
Ball Quantity
Approx.Weight (lb) Radial (lbf) Thrust (lbf) Moment (lbf - in)
0.280.440.631.162.705.100.300.470.681.222.905.400.310.500.731.313.205.800.340.530.781.413.406.100.380.570.841.533.506.500.440.660.941.723.907.200.500.731.061.884.307.90
1,6502,2102,7104,0106,550
10,6401,7802,3602,9204,3007,040
11,3401,9102,5303,1104,6007,540
12,0502,0402,7103,3204,9007,870
12,7402,1702,8903,5405,1908,380
13,4502,4303,2103,9405,7809,370
14,8502,6803,5704,3806,370
10,20016,250
8601,2401,6202,7205,0108,860
8901,2601,6702,7805,1409,110
9001,3001,7202,8505,2909,370
9201,3301,7502,9405,3809,560
9601,3601,8002,9905,5209,800
9901,4101,8603,1005,780
10,1901,0301,4801,9203,2405,980
10,560
4,9606,6208,120
12,04019,65031,9105,3507,0708,770
12,91021,13034,0105,7307,6009,320
13,80022,63036,1406,1108,1309,970
14,70023,62038,2106,5108,660
10,63015,58025,13040,3507,2809,640
11,82017,34028,12044,5508,050
10,71013,13019,11030,61048,750
2,5003,6004,6907,880
14,53025,7002,5803,6504,8308,070
14,92026,4102,6003,7604,9808,260
15,35027,1602,6603,8605,0908,520
15,59027,7102,7703,9505,2108,670
16,02028,4302,8604,0805,4009,000
16,76029,5403,0004,2905,5709,390
17,33030,620
N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
3,2003,1703,1403,0802,9602,8602,9602,9402,9102,8602,7602,6702,7602,7402,7102,6702,5802,5002,5802,5602,5402,5002,4202,3502,4202,4102,3902,3502,2902,2202,1602,1502,1302,1102,0502,0001,9501,9401,9301,9001,8601,820
LOAD RATINGS
W
D
B
L
Ls
i
Lo
to clear f max (4 places)1
AN
GU
LA
RA
-TY
PE
Refer to the Engineering Data section for load and speed limitations.
Static Dynamic Static Dynamic Static Dynamic1008572523728
1089178564030
1169883604332
12410589644534
13211295684836
148125106765440
164139118845944
N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
• Large Diameter
• Light Weight
• Small Cross Section
• Circular Pocket Ball Separator
16
KAA KA1/4"
KB5/16"
KC3/8"
KD1/2"
KF3/4"
KG1"
.187 .250 .312 .375.500
.750
1.000
Series:Cross Section Size: 3/16"
PARTNUMBER*
11.0000 11.0000 11.0000 11.0000 11.0000 11.0000 12.0000 12.0000 12.0000 12.0000 12.0000 12.0000 14.0000 14.0000 14.0000 14.0000 14.0000 16.0000 16.0000 16.0000 16.0000 16.0000 18.0000 18.0000 18.0000 18.0000 18.0000 20.0000 20.0000 20.0000 20.0000 20.0000 25.0000 25.0000 25.0000 25.0000 30.0000 30.0000 30.0000 30.0000 35.0000 35.0000 40.0000 40.0000
11.5000 11.6250 11.7500 12.0000 12.5000 13.0000 12.5000 12.6250 12.7500 13.0000 13.5000 14.0000 14.6250 14.7500 15.0000 15.5000 16.0000 16.6250 16.7500 17.0000 17.5000 18.0000 18.6250 18.7500 19.0000 19.5000 20.0000 20.6250 20.7500 21.0000 21.5000 22.0000 25.7500 26.0000 26.5000 27.0000 30.7500 31.0000 31.5000 32.0000 36.5000 37.0000 41.5000 42.0000
0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.0320.040 0.060 0.080 0.080 0.0320.040 0.060 0.080 0.080 0.032 0.040 0.060 0.080 0.080 0.032 0.040 0.060 0.080 0.080 0.040 0.060 0.080 0.080 0.040 0.060 0.080 0.080 0.080 0.080 0.080 0.080
11.313 11.391 11.469 11.625 11.938 12.250 12.313 12.391 12.469 12.625 12.938 13.250 14.391 14.469 14.625 14.938 15.250 16.391 16.469 16.625 16.938 17.250 18.391 18.469 18.625 18.938 19.250 20.391 20.469 20.625 20.938 21.250 25.469 25.625 25.938 26.250 30.469 30.625 30.938 31.250 35.938 36.250 40.938 41.250
11.375 11.469 11.563 11.750 12.125 12.500 12.375 12.469 12.563 12.750 13.125 13.500 14.469 14.563 14.750 15.125 15.500 16.469 16.563 16.750 17.125 17.500 18.469 18.563 18.750 19.125 19.500 20.469 20.563 20.750 21.125 21.500 25.563 25.750 26.125 26.500 30.563 30.750 31.125 31.500 36.125 36.500 41.125 41.500
ANGULAR CONTACT, A-TYPEThin Section Ball Bearings
*The alphanumeric identification system is used under license.
KA110AR0*RBCKB110AR0*RBCKC110AR0*RBCKD110AR0*RBCKF110AR0*RBCKG110AR0*RBCKA120AR0*RBCKB120AR0*RBCKC120AR0*RBCKD120AR0*RBCKF120AR0*RBCKG120AR0*RBCKB140AR0*RBCKC140AR0*RBCKD140AR0*RBCKF140AR0*RBCKG140AR0*RBCKB160AR0*RBCKC160AR0*RBCKD160AR0*RBCKF160AR0*RBCKG160AR0*RBCKB180AR0*RBCKC180AR0*RBCKD180AR0*RBCKF180AR0*RBCKG180AR0*RBCKB200AR0*RBCKC200AR0*RBCKD200AR0*RBCKF200AR0*RBCKG200AR0*RBCKC250AR0*RBCKD250AR0*RBCKF250AR0*RBCKG250AR0*RBCKC300AR0*RBCKD300AR0*RBCKF300AR0*RBCKG300AR0*RBCKF350AR0*RBCKG350AR0*RBCKF400AR0*RBCKG400AR0*RBC
NOMINAL DIMENSIONS IN INCHESf1B
Bore Housing FilletLo -Outer Ring LS -Counter BoreLi -Inner RingLand DiameterW
WidthD
Outside DiameterBall
Diameter
11.188 11.234 11.281 11.375 11.563 11.750 12.188 12.234 12.281 12.375 12.563 12.750 14.234 14.281 14.375 14.563 14.750 16.234 16.281 16.375 16.563 16.750 18.234 18.281 18.375 18.563 18.750 20.234 20.281 20.375 20.563 20.750 25.281 25.375 25.563 25.750 30.281 30.375 30.563 30.750 35.563 35.750 40.563 40.750
0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3750 0.5000 0.7500 1.00000.3750 0.5000 0.7500 1.00000.75001.00000.75001.0000
1/8 5/323/16 1/43/8 1/21/8
5/323/16 1/43/81/2
5/32 3/16 1/4 3/81/2
5/32 3/16 1/4 3/81/2
5/323/161/4 3/8 1/2
5/323/161/4 3/8 1/2
3/16 1/43/81/2
3/16 1/4 3/8 1/23/81/2 3/8 1/2
17
LimitingSpeed(RPM)
Ball Quantity
Approx.Weight (lb)
LOAD RATINGSRadial (lbf) Thrust (lbf) Moment (lbf - in)
0.520.751.162.064.808.600.560.831.252.255.209.301.051.522.736.00
10.801.201.733.107.10
12.301.351.943.487.90
13.701.502.163.858.90
15.802.694.79
10.9019.503.215.73
13.0023.3015.1027.1017.2030.80
2,9403,8904,7806,960
11,20017,6603,2004,2505,1807,550
12,02019,0604,9006,0108,730
13,86021,8505,5906,8409,920
15,68024,6606,2707,680
11,09017,68027,4506,9508,470
12,27019,50030,26010,55015,23023,98037,27012,62018,19028,63044,26033,30051,33037,90058,300
1,0701,5001,9903,3106,160
10,9201,1001,5602,0603,4306,320
11,2301,6702,1803,5606,720
11,7701,7702,2703,8007,000
12,3601,8602,3903,9307,310
12,8401,9402,4804,1107,510
13,3902,7904,5108,110
14,2803,0604,9408,740
15,0809,420
16,3109,740
17,000
8,83011,68014,33020,88033,59052,9809,600
12,74015,53022,66036,07057,17014,71018,04026,18041,58065,54016,76020,53029,76047,04073,98018,80023,03033,27053,03082,36020,84025,42036,82058,49090,79031,66045,68071,930
111,81037,87054,56085,880
132,78099,890
153,990113,710174,910
3,1004,3505,7809,600
17,87031,6603,2004,5105,9809,950
18,34032,5704,8406,330
10,34019,49034,1505,1506,580
11,03020,31035,8505,4106,920
11,39021,20037,2305,6307,200
11,92021,77038,8308,100
13,07023,50041,4208,870
14,32025,33043,74027,31047,29028,23049,300
N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
N/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
Refer to the Engineering Data section for load and speed limitations.
W
D
B
L
Ls
i
Lo
to clear f max (4 places)1
AN
GU
LA
RA
-TY
PE
DynamicStaticDynamicStaticDynamicStatic180152129926548
1961661401007052
1921631168160
2191861329268
24620914810476
27323116411584
288204142104345244170124198144226164
1,7801,7701,7601,7401,7001,6701,6301,6201,6201,6001,5701,5401,4001,3901,3801,3601,3301,2301,2201,2101,1901,1801,0901,0901,0801,0701,050
980980980960950790780780770660660650650560560490490
• Large Diameter
• Light Weight
• Small Cross Section
• Circular Pocket Ball Separator
18
KAA KA1/4"
KB5/16"
KC3/8"
KD1/2"
KF3/4"
KG1"
.187 .250 .312 .375.500
.750
1.000
Series:Cross Section Size: 3/16"
4-POINT CONTACT, X-TYPE Thin Section Ball Bearings
PARTNUMBER*
1.00001.5000 2.0000 2.0000 2.5000 2.5000 3.0000 3.0000 3.5000 3.5000 4.0000 4.0000 4.0000 4.0000 4.0000 4.0000 4.2500 4.2500 4.2500 4.2500 4.2500 4.2500 4.5000 4.5000 4.5000 4.5000 4.5000 4.5000 4.7500 4.7500 4.7500 4.7500 4.7500 4.7500 5.0000 5.0000 5.0000 5.0000 5.0000 5.0000 5.5000 5.5000 5.5000 5.5000 5.5000 5.5000
1.3750 1.8750 2.5000 2.6250 3.0000 3.1250 3.5000 3.6250 4.0000 4.1250 4.5000 4.6250 4.7500 5.0000 5.5000 6.0000 4.7500 4.8750 5.0000 5.2500 5.7500 6.2500 5.0000 5.1250 5.2500 5.5000 6.0000 6.5000 5.2500 5.3750 5.5000 5.7500 6.2500 6.7500 5.5000 5.6250 5.7500 6.0000 6.5000 7.0000 6.0000 6.1250 6.2500 6.5000 7.0000 7.5000
0.1875 0.1875 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000
0.015 0.015 0.025 0.032 0.025 0.032 0.025 0.032 0.025 0.032 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080
KAA10XL0*RBCKAA15XL0*RBCKA020XP0*RBCKB020XP0*RBCKA025XP0*RBCKB025XP0*RBCKA030XP0*RBCKB030XP0*RBCKA035XP0*RBCKB035XP0*RBCKA040XP0*RBCKB040XP0*RBCKC040XP0*RBCKD040XP0*RBCKF040XP0*RBCKG040XP0*RBCKA042XP0*RBCKB042XP0*RBCKC042XP0*RBCKD042XP0*RBCKF042XP0*RBCKG042XP0*RBCKA045XP0*RBCKB045XP0*RBCKC045XP0*RBCKD045XP0*RBCKF045XP0*RBCKG045XP0*RBCKA047XP0*RBCKB047XP0*RBCKC047XP0*RBCKD047XP0*RBCKF047XP0*RBCKG047XP0*RBCKA050XP0*RBCKB050XP0*RBCKC050XP0*RBCKD050XP0*RBCKF050XP0*RBCKG050XP0*RBCKA055XP0*RBCKB055XP0*RBCKC055XP0*RBCKD055XP0*RBCKF055XP0*RBCKG055XP0*RBC
*The alphanumeric identification system is used under license.
f1BBore Housing FilletLo -Outer RingLi -Inner Ring
Land DiameterWWidth
DOutside Diameter
Ball Diameter
1.141 1.641 2.188 2.234 2.688 2.734 3.188 3.234 3.688 3.734 4.188 4.234 4.281 4.375 4.563 4.750 4.438 4.484 4.531 4.625 4.813 5.000 4.688 4.734 4.781 4.875 5.063 5.250 4.938 4.984 5.031 5.125 5.313 5.500 5.188 5.234 5.281 5.375 5.563 5.750 5.688 5.734 5.781 5.875 6.0636.250
1.234 1.734 2.313 2.391 2.813 2.891 3.313 3.391 3.813 3.891 4.313 4.391 4.469 4.625 4.938 5.250 4.563 4.641 4.719 4.875 5.188 5.500 4.813 4.891 4.969 5.125 5.438 5.750 5.063 5.141 5.219 5.375 5.688 6.000 5.313 5.391 5.469 5.625 5.938 6.250 5.813 5.891 5.969 6.125 6.438 6.750
3/323/321/8
5/321/8
5/321/8
5/321/8
5/321/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2
NOMINAL DIMENSIONS IN INCHES
19
LimitingSpeed(RPM)
Ball Quantity
Approx.Weight (lb)
LOAD RATINGSRadial (lbf) Thrust (lbf) Moment (lbf - in)
0.030.040.100.160.130.200.150.240.180.270.190.300.450.781.903.600.200.310.470.832.003.800.220.330.480.882.104.000.230.340.500.942.204.100.240.380.581.002.304.300.250.410.591.062.504.70
210280460630560750660880750
1,000850
1,1301,3402,1203,4505,610
9001,1801,4102,1903,6105,610
9501,2601,4802,3403,7805,9801,0001,3101,5502,4203,9506,3601,0501,3801,6302,5704,1106,7301,1401,5101,7702,7904,4407,070
270310490700530750560800590840620880
1,1201,9603,5306,060
640890
1,1501,9703,6006,060
640920
1,1702,0303,6706,330
660930
1,1902,0503,7506,590
670950
1,2202,1103,8106,840
690990
1,2502,1803,9306,980
630840
1,3901,8801,6802,2601,9702,6302,2603,0102,5603,3904,0106,370
10,35016,8302,7003,5404,2306,580
10,84016,8302,8403,7704,4407,030
11,34017,9502,9903,9204,6607,250
11,85019,0803,1404,1504,8807,700
12,34020,2003,4304,5305,3108,370
13,32021,210
680770
1,2301,7401,3201,8801,4101,9901,4802,1001,5502,2102,8104,8908,830
15,1501,5902,2302,8704,9208,990
15,1501,6102,3002,9205,0809,180
15,8201,6502,3102,9705,1309,380
16,4701,6802,3803,0405,2709,520
17,1101,7202,4603,1205,4509,820
17,460
150280630870930
1,2701,2801,7501,7002,3002,1702,9303,5105,7309,830
16,8302,4303,2303,9106,250
10,84017,6702,7003,6304,3307,030
11,90019,7502,9903,9704,7807,610
13,03021,9403,2904,4105,2508,470
14,19024,2403,9405,2606,240
10,04016,66027,580
160260550800730
1,060920
1,3201,1101,6001,3201,9002,4604,4008,390
15,1501,4302,0402,6504,6708,990
15,9101,5302,2202,8505,0809,640
17,4001,6502,3403,0405,380
10,32018,9401,7602,5203,2705,800
10,95020,5301,9702,8603,6606,540
12,27022,700
10,1107,1105,3305,1904,3604,2703,6903,6203,2003,1502,8202,7802,7402,6702,5302,4002,6702,6302,5902,5302,4002,2902,5302,4902,4602,4002,2902,1802,4002,3702,3402,2902,1802,0902,2902,2602,2302,1802,0902,0002,0902,0602,0402,0001,9201,850
W
D
B
L
Lo
i
1to clear f max (4 places)
4-PT.
X-T
YP
E
Refer to the Engineering Data section for load and speed limitations.
Static Dynamic Static Dynamic Static Dynamic21292723332839334538514335271915544537282015574839302116605041312217635343332318695847362519
• Large Diameter
• Light Weight
• Small Cross Section
• Snap-Over Ball Separator
20
KAA KA1/4"
KB5/16"
KC3/8"
KD1/2"
KF3/4"
KG1"
.187 .250 .312 .375.500
.750
1.000
Series:Cross Section Size: 3/16"
PARTNUMBER*
4-POINT CONTACT X-TYPEThin Section Ball Bearings
*The alphanumeric identification system is used under license.
KA060XP0*RBCKB060XP0*RBCKC060XP0*RBCKD060XP0*RBCKF060XP0*RBCKG060XP0*RBCKA065XP0*RBCKB065XP0*RBCKC065XP0*RBCKD065XP0*RBCKF065XP0*RBCKG065XP0*RBCKA070XP0*RBCKB070XP0*RBCKC070XP0*RBCKD070XP0*RBCKF070XP0*RBCKG070XP0*RBCKA075XP0*RBCKB075XP0*RBCKC075XP0*RBCKD075XP0*RBCKF075XP0*RBCKG075XP0*RBCKA080XP0*RBCKB080XP0*RBCKC080XP0*RBCKD080XP0*RBCKF080XP0*RBCKG080XP0*RBCKA090XP0*RBCKB090XP0*RBCKC090XP0*RBCKD090XP0*RBCKF090XP0*RBCKG090XP0*RBCKA100XP0*RBCKB100XP0*RBCKC100XP0*RBCKD100XP0*RBCKF100XP0*RBCKG100XP0*RBC
f1BBore Housing FilletLo -Outer RingLi -Inner Ring
Land DiameterWWidth
DOutside Diameter
Ball Diameter
6.0000 6.0000 6.0000 6.0000 6.0000 6.0000 6.5000 6.5000 6.5000 6.5000 6.5000 6.5000 7.0000 7.0000 7.0000 7.0000 7.0000 7.0000 7.5000 7.5000 7.5000 7.5000 7.5000 7.5000 8.0000 8.0000 8.0000 8.0000 8.0000 8.0000 9.0000 9.0000 9.0000 9.0000 9.0000 9.0000
10.0000 10.0000 10.0000 10.0000 10.0000 10.0000
6.5000 6.6250 6.7500 7.0000 7.5000 8.0000 7.0000 7.1250 7.2500 7.5000 8.0000 8.5000 7.5000 7.6250 7.7500 8.0000 8.5000 9.0000 8.0000 8.1250 8.2500 8.5000 9.0000 9.5000 8.5000 8.6250 8.7500 9.0000 9.5000
10.0000 9.5000 9.6250 9.7500
10.0000 10.5000 11.0000 10.5000 10.6250 10.7500 11.0000 11.5000 12.0000
0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000
6.188 6.234 6.281 6.375 6.563 6.750 6.688 6.734 6.781 6.875 7.063 7.250 7.188 7.234 7.281 7.375 7.563 7.750 7.688 7.734 7.781 7.875 8.063 8.250 8.188 8.234 8.281 8.375 8.563 8.750 9.188 9.234 9.281 9.375 9.563 9.750
10.188 10.234 10.281 10.375 10.563 10.750
6.313 6.391 6.469 6.625 6.938 7.250 6.813 6.891 6.969 7.125 7.438 7.750 7.313 7.391 7.469 7.625 7.938 8.250 7.813 7.891 7.969 8.125 8.438 8.750 8.313 8.391 8.469 8.6258.938 9.250 9.313 9.391 9.469 9.625 9.938
10.250 10.313 10.391 10.469 10.625 10.938 11.250
0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080
1/8 5/323/16 1/43/8 1/21/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2
NOMINAL DIMENSIONS IN INCHES
21
LimitingSpeed(RPM)
Ball Quantity
Approx.Weight (lb)
LOAD RATINGSRadial (lbf) Thrust (lbf) Moment (lbf - in)
1,2401,6401,9203,0104,7807,7701,3401,7602,0603,2305,1108,1001,4301,8902,2103,4505,4408,8001,5302,0102,3503,6705,7709,1201,6302,1402,5003,8906,1109,8201,8202,3902,7904,3306,770
10,8402,0102,6503,0804,7807,440
11,870
W
D
B
L
Lo
i
1to clear f max (4 places)
4-PT.
X-T
YP
E
Refer to the Engineering Data section for load and speed limitations.
Static Dynamic Static Dynamic Static Dynamic
756351392721816855422922877359453124937863483325998367513527
1119375573930
12310383634333
7101,0201,2902,2404,0607,320
7301,0401,3202,3004,1507,410
7401,0701,3702,3504,2607,730
7601,0901,3902,4304,3707,790
7901,1201,4202,4704,4708,090
8101,1501,4802,5604,6508,410
8501,2101,5202,6704,8408,720
3,7204,9105,7509,030
14,34023,3004,0105,2806,1809,680
15,32024,2904,3005,6606,630
10,35016,31026,3904,5906,0407,060
11,02017,32027,3504,8806,4207,490
11,68018,32029,4705,4607,1808,370
13,00020,31032,5306,0407,9409,230
14,33022,31035,600
1,9201,9001,8801,8501,7801,7101,7801,7601,7501,7101,6601,6001,6601,6401,6301,6001,5501,5001,5501,5401,5201,5001,4501,4101,4501,4401,4301,4101,3701,3301,3001,2901,2801,2601,2301,2001,1701,1601,1601,1401,1201,090
1,7802,5403,2205,610
10,15018,2901,8402,5903,3005,740
10,38018,5201,8502,6603,4205,880
10,64019,3301,8902,7303,4806,060
10,93019,4601,9702,7903,5606,170
11,19020,2302,0402,8903,6906,410
11,63021,0202,1303,0303,7906,680
12,10021,790
0.280.440.631.162.705.100.300.470.681.222.905.400.310.500.731.313.205.800.340.530.781.413.406.100.380.570.841.533.506.500.440.660.941.723.907.200.500.731.061.884.307.90
4,6506,1907,330
11,73019,35032,6205,4107,2008,500
13,56022,21036,4306,2308,2809,770
15,52025,28042,2307,1109,440
11,11017,64028,58046,5008,060
10,67012,55019,86032,06053,04010,10013,36015,69024,71039,61065,07012,38016,37019,16030,10047,96078,320
2,2203,2104,1007,290
13,70025,6102,4803,5304,5408,040
15,05027,7702,6803,9005,0408,810
16,49030,9302,9304,2705,4909,700
18,04033,0903,2504,6405,970
10,49019,58036,4203,7705,3806,920
12,17022,68042,0404,3706,2407,870
14,03026,01047,930
• Large Diameter
• Light Weight
• Small Cross Section
• Snap-Over Ball Separator
22
KAA KA1/4"
KB5/16"
KC3/8"
KD1/2"
KF3/4"
KG1"
.187 .250 .312 .375.500
.750
1.000
Series:Cross Section Size: 3/16"
PARTNUMBER*
11.0000 11.0000 11.0000 11.0000 11.0000 11.0000 12.0000 12.0000 12.0000 12.0000 12.0000 12.0000 14.0000 14.0000 14.0000 14.0000 14.0000 16.0000 16.0000 16.0000 16.0000 16.0000 18.0000 18.0000 18.0000 18.0000 18.0000 20.0000 20.0000 20.0000 20.0000 20.0000 25.0000 25.0000 25.0000 25.0000 30.0000 30.0000 30.0000 30.0000 35.0000 35.0000 40.0000 40.0000
11.5000 11.6250 11.7500 12.0000 12.5000 13.0000 12.5000 12.6250 12.7500 13.0000 13.5000 14.0000 14.6250 14.7500 15.0000 15.5000 16.0000 16.6250 16.7500 17.0000 17.5000 18.0000 18.6250 18.7500 19.0000 19.5000 20.0000 20.6250 20.7500 21.0000 21.5000 22.0000 25.7500 26.0000 26.5000 27.0000 30.7500 31.0000 31.5000 32.0000 36.5000 37.0000 41.5000 42.0000
0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.2500 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3125 0.3750 0.5000 0.7500 1.0000 0.3750 0.5000 0.7500 1.0000 0.3750 0.5000 0.7500 1.0000 0.7500 1.0000 0.7500 1.0000
0.025 0.032 0.040 0.060 0.080 0.080 0.025 0.032 0.040 0.060 0.080 0.080 0.032 0.040 0.060 0.080 0.080 0.032 0.040 0.060 0.080 0.080 0.032 0.040 0.060 0.080 0.080 0.032 0.040 0.060 0.080 0.080 0.040 0.060 0.080 0.080 0.040 0.060 0.080 0.080 0.080 0.080 0.080 0.080
11.188 11.234 11.281 11.375 11.563 11.750 12.188 12.234 12.281 12.375 12.563 12.750 14.234 14.281 14.375 14.563 14.750 16.234 16.281 16.375 16.563 16.750 18.234 18.281 18.375 18.563 18.750 20.234 20.281 20.375 20.563 20.750 25.281 25.375 25.563 25.750 30.281 30.375 30.563 30.750 35.563 35.750 40.563 40.750
11.313 11.391 11.469 11.625 11.938 12.250 12.313 12.391 12.469 12.625 12.938 13.250 14.391 14.469 14.625 14.938 15.250 16.391 16.469 16.625 16.938 17.250 18.391 18.469 18.625 18.938 19.250 20.391 20.469 20.625 20.938 21.250 25.469 25.625 25.938 26.250 30.469 30.625 30.938 31.250 35.938 36.250 40.938 41.250
4-POINT CONTACT, X-TYPEThin Section Ball Bearings
*The alphanumeric identification system is used under license.
KA110XP0*RBCKB110XP0*RBCKC110XP0*RBCKD110XP0*RBCKF110XP0*RBCKG110XP0*RBCKA120XP0*RBCKB120XP0*RBCKC120XP0*RBCKD120XP0*RBCKF120XP0*RBCKG120XP0*RBCKB140XP0*RBCKC140XP0*RBCKD140XP0*RBCKF140XP0*RBCKG140XP0*RBCKB160XP0*RBCKC160XP0*RBCKD160XP0*RBCKF160XP0*RBCKG160XP0*RBCKB180XP0*RBCKC180XP0*RBCKD180XP0*RBCKF180XP0*RBCKG180XP0*RBCKB200XP0*RBCKC200XP0*RBCKD200XP0*RBCKF200XP0*RBCKG200XP0*RBCKC250XP0*RBCKD250XP0*RBCKF250XP0*RBCKG250XP0*RBCKC300XP0*RBCKD300XP0*RBCKF300XP0*RBCKG300XP0*RBCKF350XP0*RBCKG350XP0*RBCKF400XP0*RBCKG400XP0*RBC
f1BBore Housing FilletLo -Outer RingLi -Inner Ring
Land DiameterWWidth
DOutside Diameter
Ball Diameter
1/8 5/323/161/4 3/8 1/2 1/8
5/323/161/4 3/8 1/2
5/323/161/4 3/8 1/2
5/323/161/4 3/8 1/2
5/323/161/4 3/8 1/2
5/323/161/4 3/8 1/2
3/161/4 3/8 1/2
3/161/4 3/8 1/2 3/8 1/2 3/8 1/2
NOMINAL DIMENSIONS IN INCHES
23
LimitingSpeed(RPM)
Ball Quantity
Approx.Weight (lb)
LOAD RATINGSRadial (lbf) Thrust (lbf) Moment (lbf - in)
13511391694736
14712399755139
143115875945
163131996751
1831471117557
2031631238363
20315310378
24318312393
143108163123
2,2102,8903,3705,2208,100
12,9002,4003,1503,6605,6708,760
13,9203,6504,2406,550
10,10015,9504,1604,8207,440
11,42018,0104,6605,4008,320
12,75020,0505,1705,9809,210
14,07022,1007,440
11,42017,39027,2208,890
13,64020,71032,32024,05037,48027,34042,580
8801,2301,5802,7304,9609,010
9101,2701,6402,8305,1209,2701,3701,7302,9405,4409,7201,4601,8003,1405,670
10,2001,5301,8903,2405,880
10,6001,5901,9703,3906,040
11,0502,2103,7206,540
11,7902,4204,0807,040
12,4507,580
13,4607,830
14,030
6,6208,680
10,11015,66024,29038,6907,2009,440
10,98017,00026,28041,75010,96012,73019,64030,29047,86012,48014,46022,32034,26054,03013,99016,20024,96038,24060,14015,50017,94027,62042,21066,30022,31034,26052,17081,65026,67040,92062,14096,96072,140
112,45082,010
127,730
2,2103,0803,9506,830
12,41022,5302,2803,1904,0907,080
12,80023,1803,4304,3307,360
13,60024,3003,6404,4907,850
14,17025,5103,8304,7208,110
14,70026,5003,9804,9208,480
15,10027,6305,5309,300
16,36029,4706,060
10,19017,60031,13018,95033,65019,57035,080
4,9706,9708,990
15,72029,16054,0805,5807,840
10,13017,71032,64060,2709,820
12,44021,33040,13072,90011,88014,71025,90047,48086,73014,02017,35029,99055,110
100,69016,19020,04034,78062,670
116,04028,08047,43084,240
153,25036,79062,170
108,250192,990135,520242,280159,530287,670
1,0701,0601,0501,0401,0201,000
980970970960940920840830830810800740730730720710660650650640630590590590580570470470470460400390390390340330290290
Refer to the Engineering Data section for load and speed limitations.
14,90019,65023,00036,01057,07092,85017,64023,24027,19042,49067,020
108,55031,37036,59056,95089,340
143,58040,70047,35073,650
114,760183,69051,23059,54092,340
143,420228,55062,95073,110
113,230175,180278,460113,240174,730268,690424,580162,040249,630382,150601,170515,830809,650668,410
1,047,360
W
D
B
L
Lo
i
1to clear f max (4 places)
4-PT.
X-T
YP
E
Static Dynamic Static0.520.751.162.064.808.600.560.831.252.255.209.301.051.522.736.00
10.801.201.733.107.10
12.301.351.943.487.90
13.701.502.163.858.90
15.802.694.79
10.9019.503.215.73
13.0023.3015.1027.1017.2030.80
Dynamic Static Dynamic
• Large Diameter
• Light Weight
• Small Cross Section
• Snap-Over Ball Separator
24
Ball Diameter
Ball Quantity
353739414347515559636775839199
SEALED RADIAL CONTACT, C-TYPEThin Section Ball Bearings
JU040CP0*RBCJU042CP0*RBCJU045CP0*RBCJU047CP0*RBCJU050CP0*RBCJU055CP0*RBCJU060CP0*RBCJU065CP0*RBCJU070CP0*RBCJU075CP0*RBCJU080CP0*RBCJU090CP0*RBCJU100CP0*RBCJU110CP0*RBCJU120CP0*RBC
4.00004.25004.50004.75005.00005.50006.00006.50007.00007.50008.00009.0000
10.000011.000012.0000
0.5000.5000.5000.5000.5000.5000.5000.5000.5000.5000.5000.5000.5000.5000.500
4.75005.00005.25005.50005.75006.25006.75007.25007.75008.25008.75009.7500
10.750011.750012.7500
Mi4.1554.4054.6554.9055.1555.6556.1556.6557.1557.6558.1559.155
10.15511.15512.155
Mo4.5504.8005.0505.3005.5506.0506.5507.0507.5508.0508.5509.550
10.55011.55012.550
PART NUMBER*
*The alphanumeric identification system is used under license.JU Series are also available in low-torque design using PTFE seals.
W
D
B
to clear .015 max (4 places)
Mo
Mi
NOMINAL DIMENSIONS IN INCHESB
BoreW
WidthD
Outside Diameter
3/163/163/163/163/163/163/163/163/163/163/163/163/163/163/16
25
LimitingSpeed(RPM)
Approx.Weight (lb) Radial (lbf)
Static Dynamic StaticThrust (lbf)
Dynamic StaticMoment (lbf - in)
Dynamic0.550.580.610.650.680.740.810.870.930.991.061.181.311.431.56
1,2901,3201,3501,3701,3901,4401,4901,5301,5701,6001,6501,7301,7801,8201,890
3,1103,2703,4403,6103,7804,1104,4504,7905,1205,4505,7906,4707,1407,8008,480
3,7403,8303,9103,9704,0404,1704,3204,4404,5504,6404,7705,0205,1705,2805,470
2,7203,0303,3603,7004,0604,8305,6706,5807,5508,5909,700
12,12014,81017,75020,980
3,2803,5503,8104,0704,3404,9005,5106,1106,7107,3007,9909,410
10,73012,02013,550
3,6603,4603,2803,1202,9802,7202,5102,3302,1702,0301,9101,7001,5401,4101,300
SE
AL
ED
C-T
YP
E
Refer to the Engineering Data section for load and speed limitations.
1,5501,6401,7201,8001,8902,0602,2202,3902,5602,7302,9003,2303,5703,9004,240
LOAD RATINGS
26
SEALED RADIAL CONTACT X-TYPEThin Section Ball Bearings
Ball Diameter
Ball QuantityB
BoreW
Width0.5000.5000.5000.5000.5000.5000.5000.5000.5000.5000.5000.5000.5000.5000.500
DOutside Diameter Mi
4.1554.4054.6554.9055.1555.6556.1556.6557.1557.6558.1559.155
10.15511.15512.155
Mo4.5504.8005.0505.3005.5506.0506.5507.0507.5508.0508.5509.550
10.55011.55012.550
PART NUMBER*
*The alphanumeric identification system is used under license.JU Series are also available in low-torque design using PTFE seals.
JU040XP0*RBCJU042XP0*RBCJU045XP0*RBCJU047XP0*RBCJU050XP0*RBCJU055XP0*RBCJU060XP0*RBCJU065XP0*RBCJU070XP0*RBCJU075XP0*RBCJU080XP0*RBCJU090XP0*RBCJU100XP0*RBCJU110XP0*RBCJU120XP0*RBC
4.00004.25004.50004.75005.00005.50006.00006.50007.00007.50008.00009.0000
10.000011.000012.0000
4.75005.00005.25005.50005.75006.25006.75007.25007.75008.25008.75009.7500
10.750011.750012.7500
W
D
BM
to clear .015 max (4 places)
Mo
i
353739414347515559636775839199
3/163/163/163/163/163/163/163/163/163/163/163/163/163/163/16
NOMINAL DIMENSIONS IN INCHES
27
SE
AL
ED
X-T
YP
E
LimitingSpeed(RPM)
Approx.Weight (lb) Radial (lbf)
Static Dynamic StaticThrust (lbf)
Dynamic StaticMoment (lbf - in)
Dynamic0.550.580.610.650.680.740.810.870.930.991.061.181.311.431.56
1,3401,4101,4801,5501,6301,7701,9202,0602,2102,3502,5002,7903,0803,3703,660
1,1201,1501,1701,1901,2201,2501,2901,3201,3701,3901,4201,4801,5201,5801,640
4,0104,2304,4404,6604,8805,3105,7506,1806,6307,0607,4908,3709,230
10,11010,980
2,8102,8702,9202,9703,0403,1203,2203,3003,4203,4803,5603,6903,7903,9504,090
3,5103,9104,3304,7805,2506,2407,3308,5009,770
11,11012,55015,69019,16023,00027,190
2,4602,6502,8503,0403,2703,6604,1004,5405,0405,4905,9706,9207,8708,990
10,130
2,2802,1602,0501,9501,8601,7001,5701,4601,3601,2701,1901,070
970880810
Refer to the Engineering Data section for load and speed limitations.
LOAD RATINGS
28
he methods, equa–tions, and technical
data presented in thissection allow the user toselect the correct bear-ings and estimate theirperformance for a widerange of applications.For applications with
severe or unusual operating conditions, RBC is pre-pared to provide an in-depth analysis and recommendthe most suitable bearing arrangement.
Where standard bearings cannot be used, RBC canmeet the application requirements with a special bear-ing design specifically tailored for optimum perform-ance. Contact your RBC Sales Engineer for specialsizes, materials, application requirements, dimensionsand tolerances.
Capacity and Fatigue Life ofBall Bearings
The BASIC DYNAMIC RADIAL LOAD RATING,C, or “dynamic capacity”, for a ball bearing is that calculated, constant radial load at which 90% of agroup of apparently identical bearings with station-ary outer rings can statistically endure 106 revolutionsof the inner ring. ANSI/ABMA Standard 9 with correction factors for race curvatures was used to calculate the catalog ratings.
The DYNAMIC THRUST and DYNAMIC MO-MENT LOAD RATINGS are also shown in the prod-uct tables. The ratings shown are a guide for the maximum loads under which these bearings shouldbe operated with either pure thrust or pure momentloading. Thrust ratings are 2.5 to 3.0 times the radialratings depending on the bearing type and cross sec-tion. These load ratings are not additive. For com-bined radial and thrust loads, an equivalent radialload is to be calculated.
The BASIC STATIC LOAD RATING, Co, or “staticcapacity”, is that uniformly distributed load, whichproduces a maximum theoretical contact stress of609,000 psi. At this contact stress permanent defor-mation of ball and raceway occurs. This deformationis approximately .0001% of the ball diameter.
n = number of ballsd = diameter of balls
The RATING LIFE, L10, is a statistical measure ofthe life which 90% of a large group of apparently identical ball bearings will achieve or exceed. For asingle bearing, L10 also refers to the life associatedwith 90% reliability. Median Life, L50, is the life which 50% of the group of ball bearings will achieveor exceed. Median life is approximately five times the rating life.
The relationship between rating life, load rating,and load is:
L10 = (C/P)3 with L10 rating life (106 rev)C basic dynamic radial load rating (lbf)P equivalent radial load (lbf)
To obtain the rating life in hours, use:
L10 hrs = 16667/n * (C/P)3 with n = speed (rpm)
The Equivalent Radial Load is defined as:
P = XFr + YFa with Fr radial load (lbf)Fa axial load (lbf)X - see belowY - see below
Radial Contact Bearing Calculations
For radial contact bearings calculate P with X = 1and Y = 0. Then recalculate P with X = 0.56 and Y =(see chart below). Use the larger value of P to deter-mine L10 life.
THIN SECTION BALL BEARING ENGINEERING DATA
TT
===
==
Fand2 Y25 2.3050 1.99
100 1.71150 1.55200 1.45300 1.31500 1.15750 1.04
1000 1.00
29
Material Factor a2
For standard bearings the material factor a2
isequal to 1.00. Factor a
2is determined by material
Angular or 4-Point Contact Bearing Calculations
For angular contact and 4-point contact bearingscalculate P with X = 1.0 and Y = 0. Then recalculate Pwith X = 0.39 and Y = 0.76. Use the larger value of Pto determine L10 life.
The equations are valid in the range of approxi-mately 100 hrs to 100,000 hrs of life. Extreme loads orspeeds may result in a shorter life; while in lessdemanding applications, metal fatigue may neveraffect bearing service life.
Capacity and fatigue life information is based on ANSI/ABMAStandard 9-1990 published by:The American Bearing Manufacturers Association, Inc., 1200 19thStreet, NW, Suite 300, Washington, DC 20036-2401
Adjustment Factors for Rating Life
If a bearing design and operation deviates signifi-cantly from normal, it may be necessary to use addi-tional factors to estimate the fatigue life Ln.
Ln = a1 * a
2 * a3 * L
10 hrs
with a1
= reliability factora
2= material & processing factor
a3
= application factor
Reliability Factor a1Reliability is the percentage of a group of appar-
ently identical ball bearings that is expected to attainor exceed a specified life. For an individual bearing itis the probability that the bearing will attain or exceed a specified life. Typical bearing fatigue life is calculated for 90% reliability. The life adjustment factors for other reliability numbers are shown below.
Reliability % Ln Reliability Factor a1
90 L10 1.0095 L5 .6296 L4 .5397 L3 .4498 L2 .3399 L1 .21
Load and Speed Limitations
The load ratings shown in the product tables arenot additive. For combined simultaneous loading, anequivalent radial or thrust load must be considered.In general, C-Type bearings are designed for radialloading applications; moderate thrust and/or momentloading may be applied in combination with radialloading. For thrust loading applications use the A-Type bearing; any radial loading should only beapplied in combination with thrust loading. X-Typebearings are primarily for reversing thrust andmoment loading, pure radial loading should not beapplied.
The limiting speeds shown in the product tablesare based on standard lubrication. The unsealed bear-ing speeds are calculated assuming the bearings arelubricated with MIL-PRF-3150. Limiting speeds forsealed bearings are calculated assuming the bearingsare lubricated with MIL-PRF-23827 grease. If bearingsare lubricated with alternate oils or greases, new limit-ing speeds must be calculated, see page 30.
processing, forming methods, heat treatment, andother manufacturing methods. Some commonly usedmaterial factors are listed below:
Application Factor a3
The application factor a3 is equal to 1.0 for mostapplications. Unusual or extreme conditions in certain applications such as low speed, shock loading,vibration, and extreme temperature may lower theapplication factor to 0.50. Contact your RBC Sales Engineer for help in determining this factor for yourspecial applications.
EN
GIN
EE
RIN
GD
ATA
Material, Condition a2
max
52100, Air melt 1.0052100, Vacuum degassed 1.5052100, Air melt & TDC Plate 2.0052100, Vacuum melt, (CEVM) 3.00
440C, Air melt 1.00440C, Vacuum melt (CEVM) 3.00
M50, Vacuum melt (CEVM) 5.00M50, Vacuum re-melt (VIM-VAR) 8.00
30
The k values shown give the maximum speeds atwhich a typical thin section ball bearing can operate. It is recommended that operating speeds of large diameter bearings in a given series be reduced up to40% of the calculated rating to avoid high bearing temperatures. Speed ratings can also be impacted by loadconditions, lubrication, alignment and ambient tempera-ture. All of these factors must be considered when design-ing thin section ball bearings into your application.
Duplex Pairs and AxialPreloading
Duplex PairsDuplex bearings are a pair of angular contact RBC
Thin Section Ball Bearings specially ground for use as a matched set. A duplexed pair can be used to provide accurate shaft location, to increase capacity or to increase stiffness of the bearing assembly. Aduplex pair of RBC Thin Section Ball Bearings isground so that when mounted using recommendedfits, there will be no internal clearance in the bear-ings. There are three basic mounting methods to accommodate different loading requirements:
• Back-to-Back (DB), B-Type• Face-to-Face (DF), F-Type• Tandem (DT), T-Type
Back-to-Back, DBB-Type
• Heavy radial loads• Combined thrust & radial loads• Reversing thrust load• Excellent rigidity• Moment loads
Operating ConditionsLubrication
Lubricants serve a number of very important purposes in ball bearings, including:
• protecting bearing surfaces from corrosion• reducing rolling and sliding friction• preventing metal-to-metal contact between
balls and raceway• providing a barrier against external
contaminants (grease)• removing heat (oil)
Lack of lubrication or inadequate lubrication is themost common cause of bearing failure.
Standard RBC Thin Section Ball Bearings are lubri-cated with either oil or grease. The unsealed bearings,the K series, are thoroughly coated in MIL-PRF-3150 oiland drained of excess. Sealed bearings are lubricatedwith MIL-PRF-23827 grease. The external surfaces ofsealed bearings are lightly coated with the same greasefor corrosion resistance. Additional lubricants are alsoavailable. Your RBC Sales Engineer can help select theappropriate lubricant for special applications.
TemperatureStandard RBC Thin Section Ball Bearings can
operate at temperatures from -65°F to 250°F. Tem-peratures up to 350°F can be reached if the bearingsare temperature stabilized. By the use of special materials RBC can provide bearings for operation to700°F. Contact your RBC Sales Engineer for recom-mendations on bearings operating above 250°F.
Limiting Speed
The limiting speed of a bearing is dependent upona number of different factors including bearing size,bearing type, ball separator design, lubrication andloading. The limiting speeds for the bearings shown inthis catalog are determined using the following:
1000 * k with n Speed (RPM)
E E
k constant, see table below
n =
2
=
=
=
Bearing Type Load Condition Grease Oil
k Value
C or A
X
X
Radial or Thrust
Thrust
Radial,CombinedRadial & Thrust,
or Moment
16
10
3
20
12
4
D + B (Bearing Pitch Diameter)
31
RADIAL PLAY PRELOAD
Axial Preloading
Standard duplex bearings are ground so that there will be a light axial preload induced on the bearing at nominal conditions. In some applicationsincreased bearing stiffness may be required. In thesecases the duplex grinding can be done such that aheavier axial load is induced in the mounted bearing.This load can be increased or decreased to meet therequirements of a particular application. Consult your RBC Sales Engineer for special requirements.
When there is negative radial play (diametral preload) there is interference rather than clearance between the balls and the races. As the interferenceincreases, the friction, stiffness and torque also increase. RBC Thin Section Ball Bearings can be manufactured with customer specified diametral preload or clearance. Consult your RBC Sales Engi-neer for design assistance.
Radial and Axial Runout
Radial runout of RBC Thin Section Ball Bearings isa measurement of the thickness variation of the bearingrings. The outer ring is measured from the ball path tothe outer diameter of the ring, the inner ring is mea-sured from the ball path to the bore. Radial runout isdefined as the wall thickness variation of the rotating ring.
Axial runout is measured from the ball path to the face of the bearing rings. The variation in thick-ness measured is the axial runout.
TolerancesPrecision Grades
RBC Thin Section Ball Bearings are available in fourprecision grades. RBC Precision classes 0, 3, 4 and 6correspond to ABMA ABEC grades 1F, 3F, 5F and 7F respectively. The tolerances for the bearing bores, outerdiameters, radial runouts, axial runouts and radial playsare shown in the Tolerance Tables on pages 34 thru 36.
Shaft and Housing Fits
Proper shaft and housing fits are critical to the successful operation of a thin section ball bearing. The internal clearance of the bearing will be reducedproportionally by an interference fit. In addition, theroundness of the shaft and housing will directly affect the roundness of the inner and outer ring raceways. For most applications the inner ring isrotating and the load is stationary with respect to theouter ring. In this circumstance a light press fit ontothe shaft is recommended. The recommended shaftand housing fits are shown in the Tolerance Tables onpages 34 thru 36.
EN
GIN
EE
RIN
GD
ATA
Radial PlayRadial play (diametral clearance) is the distance
the inner ring can be moved radially from one ex-treme position to the other. Standard RBC Thin Section Ball Bearings are manufactured with enoughradial play that some clearance remains after the bearing is properly installed.
Face-to-Face, DFF-Type
• Heavy radial loads• Combined thrust & radial loads• Reversing thrust load• Moment loads
Tandem, DTT-Type
• High one-direction thrust loads• Minimum axial shaft deflection• Heavy radial loads
32
Mounting ArrangementsWhen selecting a mounting arrangement for RBC
Thin Section Ball Bearings, you must first consider the loading condition. A duplex pair of angular contact bearings may be used for combined loading,moment loading, or heavy thrust loading. Combina-tion A and C-Type, A and X-Type, or C and X-Typebearings are common mounting arrangements. TwoX-Type bearings should never be mounted on thesame shaft. There may be many different bearingarrangements for carrying the same load, some typical mounting arrangements are shown below.
Heavy Radial Loads
The C-Type bearing is designed primarily forheavy radial loads. Two bearings can be installed onthe same shaft as shown. By axially fixing one bear-ing and allowing the other to float, this configurationallows differential expansion between the housing and shaft, such as caused by temperature difference,without adding axial stress to the bearings. Althoughthe C-Type bearing is designed for radial loads, theycan withstand moderate thrust, moment and revers-ing loads.
Reversing Loads
The duplex pair of A-Type bearings offers severalconfigurations. For reversing loads, either back-to-back, B-Type, or face-to-face, F-Type, should be used.The F-Type mounting method demonstrates revers-ing thrust load. Combined radial and thrust loads areshown on the B-Type configuration. Both of thesemethods can be used for heavy radial loads, com-bined thrust and radial loads, or moment loads.
Radial Load
Shim Herefor Proper Axial
Preload
ReversingThrust Load
Shim Here for ProperAxial Preload
Radial Load
ReversingThrust Load
F-Type Configuration
B-Type Configuration
Radial Load
33
Radial Load
Thrust Load
Radial Load
Thrust Load
Heavy Combined Loading
For heavy combined loading other special mount-ing arrangements may be employed. As shown in the top drawing, a duplex pair of A-Type bearings canbe used with a floating C-Type bearing. In this configuration the A-Type bearings will carry the thrustload and part of the radial load while the C-Type carriesonly radial load. An X-Type bearing can replace theduplex pair of A-Type bearings to carry lower thrustloads as shown in the second drawing.
Heavy Combined Loading or Moment Loading
Alternate mountings for heavy combined loadingor moment loading are shown below. A duplex pairof B-Type bearings resists high thrust, radial andmoment loads. An X-Type bearing may replace theduplex pair in less heavily loaded applications forweight, space and cost savings.
Moment Load
Moment Load
B-Type Configuration
Single Bearing X-Type Configuration
EN
GIN
EE
RIN
GD
ATA
34
Precision Tolerances
The RBC Thin Section Bearings shown in this catalogare manufactured to ABEC 1F precision tolerances. Whererequired, RBC Thin Section Bearings can be manufacturedto ABEC 3F, ABEC 5F and ABEC 7F precision tolerances.
RBC THIN SECTION BALL BEARINGSTOLERANCE TABLES & RECOMMENDED FITS
BearingBoreSize
Inches
ABEC 1F C-TYPE
Stationary Shaft
RBC PRECISION CLASS 0 Values in 0.0001 inches
1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.25 4.50 4.75 5.00 5.50 6.00 6.50 7.00 7.50 8.00 9.00
10.00 11.00 12.00 14.00 16.00 18.00 20.00 25.00 30.00 35.00 40.00
-4-5-6-6-6-8-8-8-8
-10-10-10-10-10-10-12-12-12-14-14-14-16-18-18-20-30-30-40-40
-5-5-5-5-6-6-6-8-8-8-8
-10-10-10-10-12-12-12-14-14-14-16-18-18-20-30-30-40-40
56888
101010101212121212121616161818181818202020202020
88
101010121214141414161616161818182020202020202020202020
-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50
-100-100-100-100-100-100-100-100
1012121212161616162020202020202424242828283236364060608080
161824242428282828343434343434424242484848525656608080
100100
+4+5+6+6+6+8+8+8+8
+10+10+10+10+10+10+12+12+12+14+14+14+16+18+18+20+30+30+40+40
-8-10-12-12-12-16-16-16-16-20-20-20-20-20-20-24-24-24-28-28-28-32-36-36-40-60-60-80-80
-5-5-5-5-6-6-6-8-8-8-8
-10-10-10-10-12-12-12-14-14-14-16-18-18-20-30-30-40-40
-10-10-10-10-12-12-12-16-16-16-16-20-20-20-20-24-24-24-28-28-28-32-36-36-40-60-60-80-80
Diameters
BoreNominal
O.D.Nominal
InnerMax Min Max Nominal Nominal Max Min Max Min
Rotating ShaftRadial PlayBefore Installation
Race RunoutRadial & Axial
OuterMax
WidthNominal
+5+5+5+5+6+6+6+8+8+8+8
+10+10+10+10+12+12+12+14+14+14+16+18+18+20+30+30+40+40
-4-5-6-6-6-8-8-8-8
-10-10-10-10-10-10-12-12-12-14-14-14-16-18-18-20-30-30-40-40
Housing IDShaft ODHousing IDShaft OD
Bearing Bore Size (inches) Width
Over Including Max Min-
2.005.00
14.00
2.005.00
14.0040.00
0000
-200-300-400-500
DUPLEX PAIR WIDTH TOLERANCES Values in 0.0001 inches
Does not apply to bearings with preload.
35
BearingBoreSize
Inches
ABEC 3F ALL TYPES
Diameters
BoreNominal
O.D.Nominal
InnerMax Min Max Nominal Nominal Max Min Max Min
Shaft OD Housing ID
Rotating Shaft
Shaft OD Housing ID
Bearing Radial PlayBefore Installation(C & X-Type Only)
Race RunoutRadial & Axial
RBC PRECISION CLASS 3 Values in 0.0001 inches
OuterMax
Stationary Shaft
WidthNominal
RBC THIN SECTION BALL BEARINGSTOLERANCE TABLES & RECOMMENDED FITS
RBC PRECISION CLASS 0 Values in 0.0001 inches
BearingBoreSize
Inches
ABEC 1F A-TYPE & X-TYPE
-5-5-5-5-6-6-6-8-8-8-8
-10-10-10-12-12-12-12-14-14-14-14-16-16-18-18-18-20-20
-10-10-10-10-12-12-12-16-16-16-16-20-20-20-24-24-24-24-28-28-28-28-32-32-36-36-36-40-40
Diameters
BoreNominal
O.D.Nominal
InnerMax
OuterMax Min Max Nominal Nominal Max Min Max Min
Shaft OD Housing IDShaft OD Housing ID
Bearing Radial PlayBefore Installation
(X-Type Only)
Race RunoutRadial & Axial
WidthNominal
Stationary ShaftRotating Shaft
TOLE
RA
NC
ES
& F
ITS
1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.25 4.50 4.75 5.00 5.50 6.00 6.50 7.00 7.50 8.00 9.00
10.00 11.00 12.00 14.00 16.00 18.00 20.00 25.00 30.00 35.00 40.00
Does not apply to bearings with preload.
Does not apply to bearings with preload.
-4-5-6-6-6-8-8-8-8
-10-10-10-10-10-10-12-12-12-14-14-14-14-16-16-18-18-18-20-20
-8-10-12-12-12-16-16-16-16-20-20-20-20-20-20-24-24-24-28-28-28-28-32-32-36-36-36-40-40
-5-5-5-5-6-6-6-8-8-8-8
-10-10-10-12-12-12-12-14-14-14-14-16-16-18-18-18-20-20
34556666688
101010101212121414141416161818182020
44556668888
101010101212121414141416161818182020
-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50
-100-100-100-100-100-100-100-100
1012121212161616162020202020202424242828282832323636364040
1517222222262626263030303030303434343838383842424646465050
+4+5+6+6+6+8+8+8+8
+10+10+10+10+10+10+12+12+12+14+14+14+14+16+16+18+18+18+20+20
-4-5-6-6-6-8-8-8-8
-10-10-10-10-10-10-12-12-12-14-14-14-14-16-16-18-18-18-20-20
+5+5+5+5+6+6+6+8+8+8+8
+10+10+10+12+12+12+12+14+14+14+14+16+16+18+18+18+20+20
1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.25 4.50 4.75 5.00 5.50 6.00 6.50 7.00 7.50 8.00 9.00
10.00 11.00 12.00 14.00 16.00 18.00 20.00
-2-3-4-4-4-5-5-5-5-6-6-6-6-6-6-7-7-7-8-8-8-8-9-9
-10
-3-3-4-4-4-4-4-5-5-5-5-6-6-6-7-7-7-7-8-8-9-9
-10-10-12
344445555666666888
10101012141416
44556668888999
1010101012121414161618
-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50
-100-100-100-100
78888
1010101012121212121414141416161818202024
11121818182020202022222222222424242426262828303034
+2+3+4+4+4+5+5+5+5+6+6+6+6+6+6+7+7+7+8+8+8+8+9+9
+10
+3+3+4+4+4+4+4+5+5+5+5+6+6+6+7+7+7+7+8+8+9+9
+10+10+12
-2-3-4-4-4-5-5-5-5-6-6-6-6-6-6-7-7-7-8-8-8-8-9-9
-10
-4-6-8-8-8
-10-10-10-10-12-12-12-12-12-12-14-14-14-16-16-16-16-18-18-20
-6-6-8-8-8-8-8
-10-10-10-10-12-12-12-14-14-14-14-16-16-18-18-20-20-24
-3-3-4-4-4-4-4-5-5-5-5-6-6-6-7-7-7-7-8-8-9-9
-10-10-12
36
RBC THIN SECTION BALL BEARINGSTOLERANCE TABLES & RECOMMENDED FITS
RBC PRECISION CLASS 4 Values in 0.0001 inches
ABEC 5F ALL TYPES
Diameters
1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.25 4.50 4.75 5.00 5.50 6.00 6.50 7.00 7.50 8.00 9.00
10.00 11.00 12.00 14.00 16.00 18.00 20.00
Radial AxialShaft ODNominalMin Max
BoreNominal
-2-2-3-3-3-3-3-3-3-4-4-4-4-4-4-5-5-5-5-5-5-6-6-6-7
-2-2-3-3-3-3-3-4-4-4-4-5-5-5-5-5-5-5-5-5-6-6-7-7-8
-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50
-100-100-100-100
55556668888
1010101010101010101212141414
9999
121212141414141616161616161616161818202022
+2+2+3+3+3+3+3+3+3+4+4+4+4+4+4+5+5+5+5+5+5+6+6+6+7
+2+2+3+3+3+3+3+4+4+4+4+5+5+5+5+5+5+5+5+5+6+6+7+7+8
-2-2-3-3-3-3-3-3-3-4-4-4-4-4-4-5-5-5-5-5-5-6-6-6-7
-4-4-6-6-6-6-6-6-6-8-8-8-8-8-8
-10-10-10-10-10-10-12-12-12-14
-2-2-3-3-3-3-3-4-4-4-4-5-5-5-5-5-5-5-5-5-6-6-7-7-8
-4-4-6-6-6-6-6-8-8-8-8
-10-10-10-10-10-10-10-10-10-12-12-14-14-16
Housing ID Shaft OD Housing IDNominal Max Min Max Min
O.D.Nominal
InnerMax
OuterMax
InnerMax
Race Runout Bearing Radial PlayBefore Installation
(C & X-Type Only)
Rotating Shaft
3333344444444445556667889
334455555556666666778899
10
BearingBoreSize
InchesOuterMax
WidthNominal
Stationary Shaft
RBC PRECISION CLASS 6 Values in 0.0001 inches
ABEC 7F ALL TYPES
Diameters
InnerMax Min Max Nominal Nominal Max Min Max Min
Shaft OD Housing ID
Rotating Shaft
Shaft OD Housing ID
Bearing Radial PlayBefore Installation(C & X-Type Only)
Race RunoutRadial & Axial
OuterMax
Stationary Shaft
WidthNominal
BearingBoreSize
InchesBore
NominalO.D.
Nominal
Does not apply to bearings with preload.
Does not apply to bearings with preload.
2233444444455555556677889
2222233333333334445555778
1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.25 4.50 4.75 5.00 5.50 6.00 6.50 7.00 7.50 8.00 9.00
10.00 11.00 12.00 14.00
-1.5-2-2-2-2
-2.5-2.5-2.5-2.5
-3-3-3-3-3-3-4-4-4-5-5-5-5
-2-2-2-2-3-3-3-4-4-4-4-4-4-4-4-4-4-4-5-5-5-6
1.51.51.51.51.5
22223333333334444
2222222333333344444455
-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50-50
-100
455566688888888888
10101012
89
1010121212141414141414141414141416161618
+2+2+2+2+2+3+3+3+3+3+3+3+3+3+3+4+4+4+5+5+5+5
+2+2+2+2+3+3+3+4+4+4+4+4+4+4+4+4+4+4+5+5+5+6
-2-2-2-2-2-3-3-3-3-3-3-3-3-3-3-4-4-4-5-5-5-5
-4-4-4-4-4-5-5-5-5-6-6-6-6-6-6-8-8-8
-10-10-10-10
-4-4-4-4-6-6-6-8-8-8-8-8-8-8-8-8-8-8
-10-10-10-12
-2-2-2-2-3-3-3-4-4-4-4-4-4-4-4-4-4-4-5-5-5-6
37
CUSTOM FEATURES
BC manufactures many custom bearings designed to optimize bearing performance for specific applica-
tions. Special features include changes in radial play, lubri-cants, materials, preloading and design. Contact your RBCSales Engineer for your custom bearing needs.
Challenge us: There are many design options availableto solve difficult application problems.
MaterialsThe standard bearings shown in the catalog have SAE
52100 steel rings and balls. RBC Thin Section Ball Bearingscan be manufactured from other specialty bearing steels toprovide corrosion resistance, high temperature capability,alternative load capacity or chemical compatibility.
Rings. RBC has manufactured thin section ball bearings from SAE 440C stainless steel to provide corro-sion resistance. As an alternative to stainless steel rings, the entire surface of the rings can be plated with nodularthin dense chrome (TDC). This plating, which meets AMS2438, achieves a molecular bond that will not flake, peel orseparate from the base material. The TDC plate has a hardness of HRC 70 - 78 and can withstand temperatureswell beyond the range of the base material.
Special RBC Thin Section Ball Bearings have been manufactured from Aluminum, 300 Series Stainless Steel,17-4 Stainless Steel, and other metals.
Balls. Some special ball materials available include440C Stainless Steel, 300 Series Stainless Steel, SiliconNitride and M-50 Steel.
LubricationMany different lubricants are available from RBC for
special applications. Greases which are designed specifi-cally for high speed, low torque, water resistance, high temperature, oscillatory motion and food machinery can be provided. Additional lubricants, such as dry film, aresuitable for use in vacuums and space applications.
SealingStandard seals for thin section ball bearings are
molded from elastomers. Polytetra-flouroethylene (PTFE)seals, fiber glass reinforced PTFE seals, stainless steelshields and many other options are available for low torque and other special applications.
RR Radial PlayThe radial play (diametral clearance) of a thin section
ball bearing will need to be predetermined if mounting fitsother than those recommended are used. Special radialplay may be required for a temperature differential acrossthe bearing, for housing and shaft materials that have different coefficients of thermal expansion, or to change operating characteristics of the bearing. Radial preloadedbearings are measured to meet bore and O.D. tolerancesprior to preload.
Preloading of Duplex Bearings
Standard duplex bearings are ground so that there will be a light axial preload induced on the bearing at nominal conditions. In some applications increased bearing stiffness may be required. In these cases the duplex grinding can be done such that a heavier axial loadis induced in the mounted bearing. This load can be increased or decreased to meet the requirements of a particular application. Consult your RBC Sales Engineerfor special requirements.
Mounting Features
Mounting features, such as flanges, anti-rotation tabsand mounting holes can be incorporated on the inner andouter rings. Mating parts, such as gears and housings, may be integrated into the bearing rings for improved performance and cost.
CU
STO
MF
EA
TU
RE
STO
LER
AN
CE
S&
FIT
S
38
Schematic Illustration of Effects of Cage Design and Materialon Bearing Torque, Speed and Temperature.
EF
FE
CT
ON
TO
RQ
UE
STAINLESS STEEL
BRASS
NYLON
PHENOLIC
TE
MP
ER
AT
UR
E T
OL
ER
AN
CE
SPEED
BEARING TORQUE BEARING TEMPERATURE
SPEED
STAINLESS STEEL
BRASS
NYLON
PHENOLIC
Circular PocketsSnap-Over
Separators
Standard RBC Thin Section Ball Bearings, KAthrough KG and JU series, are manufactured withvariety of ball separator designs such as metallic and anon-metallic cages, toroids, slugs, and spacer balls. See page 39 for illustration.
The graph below schematically illustrates theeffects of cage design and material on bearing performance. For example, the one piece circularpocket design may reach roughly two times the speedof the snap-over design. Likewise, a brass separatordesign will generate more torque and withstandhigher temperatures than a phenolic separator. Exactspeed limits depend on bearing size, bearing type,
lubrication and loading. For assistance in selecting theappropriate separator for special applications, contactyour RBC Sales Engineer.
Maximum Speed for Snap-Over cage Design
39
SEPARATOR SELECTION GUIDE
DESIGNSeparator
Type Description Material Advantages Bearing Features Limitations
G
H
R
U
D
L
P
T
I
S
W
I
F
Z
Nylon
PhenolicLaminate
Brass orComposite
Stainless Steel
PhenolicLaminate
Nylon
Brass orComposite
Stainless Steel
PTFE
StainlessSteel, or musicwire
StainlessSteel, or musicwire
PTFE orPolymide
N/A
Metal orceramics,same as ballmaterial
One-piece ring, circularpockets
One-piece ring, circular pockets
One-piece ring, circularpockets
One-piece ring, circularpockets
One-piece ring,snap-over type
One-piece ring,snap-over type
One-piece ring,snap-over type
One-piece ring,snap-over type
Slugs
Helical coilsprings
Wire cage,open segmental
Toroids
Full comple-ment of balls
Spacer Balls
Low torque and lightweight applications. Highspeed limits.
Low torque and lightweight applications. Canbe oil impregnated asrequired.
Ideal for commercialapplications with moder-ate torque and speedrequirements.
High strength, improvedcorrosion resistance.High temperature capa-bilities.
Low torque and lightweight applications. Canbe oil impregnated asrequired.
Low torque and lightweight applications. Highspeed limits.
Ideal for commercialapplications with moder-ate torque and speedrequirements.
High strength, improvedcorrosion resistance.High temperature capa-bilities.
Low torque applications,higher capacity thanstandard bearings.
Low torque and lightweight applications.
High torque, low speed,and light weight applications.
Low torque applications,higher capacity thanstandard bearings.
Highest loading capacityand maximum stiffness.
High temperature appli-cations, offers higherresistance to wear.
Used in A-Type bearings,standard for KAA series.
Used in A-Type bearings.
Standard separator for A-Type bearings KA throughKG series.
Used in A-Type bearings.
Designed for use in C-Type and X-Type bearings.
Used in both C- and X-Type bearings, standardfor KAA series.
Standard separator for C-and X-Type bearings KAthrough KG series.
Used in C- and X-Typebearings.
Used in C and X-Typebearings. Offers increasedball complement.
Used in C and X-Typebearings.
Used in A-Type bearings.May also be used in Cand X-Type bearings withhalf as many balls.
Used in A-Type bearings.Offers increased ball com-plement.
All bearing types. C- andX-Type require a fillingslot.
Filling slot required for C- and X-type bearings.Reduced ball complementin A-Type bearings.
Not recommended fortemperatures outside ofthe standard range: -65°to 250°F.
Not recommended fortemperatures above250°F.
Not recommended for lowtorque applications.
Not recommended for lowtorque applications.
Not recommended forhigh speed or high tem-perature applicationsabove 250°F.
Not recommended fortemperatures outside ofthe standard range: -65°to 250°F.
Not recommended for lowtorque applications.
Not recommended for low-torque applications.
Not intended for use inhigh speed applications.Material may have tem-perature limitations.
Not intended for use inhigh speed applications.
Not intended for use inhigh speed applications.
Not intended for use inhigh speed applications.Material may have tem-perature limitations.
Higher torque and lowerspeed limits. Not recom-mended for high torqueand/or high speed.
Lower load capacity in A-Type bearings.
CU
STO
MF
EA
TU
RE
SS
EPA
RTO
RG
UID
E
40
TYPICAL APPLICATIONS
hin section ball bearings are generally used in applica-tions with space, weight, and load constraints. Some
typical applications for standard RBC Thin Section Ball Bearings include:
Medical Equipment Machine ToolsRadar Equipment Textile MachineryMaterial Handling Satellite SystemsAntenna Pedestals Packaging MachineryAerospace Scanning EquipmentOptical Equipment Semi-ConductorRotary Joints Manufacturing EquipmentMilitary Turrets Slip Ring AssembliesRobotics Harmonic Drives
Speed Reducers
Rotary TableUsing a 4-point contact bearing provides high stiffnesswith minimum deflection resulting in a streamlined andlightweight design.
Lightweight Airborne Electro-Optical Imaging EquipmentThis application requires bear-ings with combined load carry-ing capabilities and minimaladded weight. A pair of angularcontact RBC Thin Section BallBearings provides high stiffnessand multiple load carrying capa-bilities in a compact, lightweightenvelope.
Rotary JointBy using a pair of angular contact RBC Thin Section BallBearings, this design can carryradial, axial and moment loads.
Rotating Polishing TableTo provide necessary stiffness with a more compact, lighterweight machine design, use the 4-point contact RBC ThinSection Ball Bearing.
Paper Making MachineA pair of radial contact RBC Thin Section Ball Bearings isthe ideal choice for applications with severe space con-straints and significant loads.
Direct Drive AssemblyA duplex pair of angular contactRBC Thin Section Ball Bearingsprovide the optimal load carryingcapabilities in a compact design.
TT
41
II
10.750Ø
8.750Ø
2.000
Aerial Camera AssemblyFor use in an aerial camera assembly, an extra-light, lowtorque bearing was required. By redesigning a standardRBC Thin Section Ball Bearing 4-point contact design, theoverall assembly weight was lowered from 7 lbs. to 3.8 lbs.In addition to weight reduction, this design, also reducedthe running torque below 1 in.-lbs. with the starting torquebelow 2 in.-lbs.
CUSTOM BEARINGS
Airborne Radar SystemA duplex pair of angular contact RBC Thin Section BallBearings was designed for an airborne radar system. Thisbearing application required combined load carrying capabilities, low temperature compatibility, and relativelylow torque. Different from a standard Thin Section, thisduplex bearing was designed with one outer ring and twoinner rings with a slight preload. This design providedlow torque and multiple loading capabilities.
Continuous Rotating Machine Tool TableUsing a 4-point contact RBC Thin Section Ball Bearing provides stiffness for accurate positioning as well as carrying multiple loads. RBC supplied this assembly asshown.
Machine Tool Indexing TableRunning at slow speeds with combined load carrying capabilities and minimal space determined the use of this4-point RBC Thin Section Ball Bearing. RBC supplied thisassembly as shown.
in.
in.
in.
TY
PIC
AL
APPLICATIONS
n addition to the standard RBC Thin Section Ball Bearings, RBC will also manufacture specially designed
bearings for specific applications. RBC Sales Engineers andCustomer Service Representatives are available for consultation.
42
.500 in.
26.750 in.
27.750 in.
Aircraft Gun TurretA bearing was required which would take radial, axial, andmoment loading, to support an aircraft gun turret. Itwas desirable to have the bearing match the coefficientof expansion of the aluminum with a split inner ring andspecial balls to absorb shock and vibration loading.This bearing performed at 25% of the torque of the steelbearings previously used.
Semiconductor Automated Test EquipmentSemiconductor automated testequipment required an RBC ThinSection Ball Bearing to accuratelyposition a table. In this applicationthe bearing oscillates to ±10°, thisbearing was designed as a 4-pointcontact bearing.
Radar Antenna DriveAn RBC Thin Section Ball Bearing designed with a gearintegrated with the inner ring, achieved both a significantweight reduction and improved accuracy as well as sim-plicity of assembly. This bearing is used in a radar antennadrive which has limited space available for its supportbearing. Coil springs were used as spacers between ballsto lower bearing torque and further reduce weight.
Instrument Gimbal AssemblyA preloaded duplex pair of angular contact RBC Thin SectionBall Bearings were designed to meet the low torque and corrosion resistant requirements in a combined load applica-tion. Designed for an instrument gimbal assembly in a missile, the duplex pair of bearings are subjected to combinedradial, axial and moment loads. These special RBC ThinSection Ball Bearings have a light preload and were manufac-tured with integral shields as part of the rings.
Vacuum OperationBearing requirements included minimal radial runout, lowtorque, corrosion resistance, combined load capabilitiesand vacuum operation capabilities. Special designedduplex stainless steel angular contact RBC Thin Section BallBearings, provided the capabilities required.
Airborne Turret AzimuthA low torque, high stiffness, multiple load capacity, corrosion resistant bearing was required for an airborneturret azimuth drive assembly. For this application aduplexed pair of angular contact RBC Thin Section BallBearings was designed with toroid separators and stainlesssteel rings. This design maintained low torque, but stillallowed multiple load carrying capabilities.
Integral Shields
.500 in.
4.996 in.
5.500 in.
PTFE Torroids
1.500 in.
Bore DIA.
15.500 in. DIA.
integral gear
43(continue on second sheet if necessary)
DA
TAFA
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ENGINEERING APPLICATION DATAFAST FAX
For assistance in selecting the correct bearings for your design, complete this form and fax or mail it to:
RBC Bearings400 Sullivan Way, P.O. Box 77430
West Trenton, NJ 08628-7430FAX: 609-882-5533
www.rbcbearings.comCompany Name: Date:
Street Address:
City: State: Zip Code:
Name: Title:
Phone: Fax: e-mail:
Description of application:
Speed:
Rotational rpm Inner Ring Rotating
Oscillatory cpm Outer Ring Rotating
Temperature:
Average running min max
Loading:
Shock Vibration Safety factor (Please specify)
Dynamic radial Lbs. Stationary Load Rotating Load
Dynamic thrust Lbs.
Dynamic moment Ft. Lbs. Stationary Load Rotating Load(show application of load on sketch)
Static radial Lbs.
Static thrust Lbs.
Static moment Ft. Lbs. (show application of load on sketch)
Life:
Lubricant:
Grease Oil Special (Please specify)
Size limitations:
Max. OD__________inches Min. bore__________inches Max. Width__________inches
Other data:
Seals Shields Special (Please specify)
Housing material __________________________Shaft material________________________________________
Further description of application and/or special requirements: Sketch included
CU
STO
MB
EA
RIN
GS
RBC Bearings has been producing bearings in the USA since 1919. In addition to unique custom bearings, RBC offers afull line of standard industrial and aerospace bearings, including:
Spherical Plain Bearings
Radial, angular contact, extended innerring, high misalignment. QuadLube®,ImpactTuff®, SpreadLock® Seal,CrossLube®, DuraLube™, MillTuff™bearings, and self-lubricating bearings.Available in inch and metric sizes.
Self-Lubricating Bearings
Radial, thrust, rod ends, spherical bearings, high temperature, high loads.Available in inch and metric sizes.Fiberglide® self-lubricating bearings.
Airframe Control Bearings
Ball bearing types, self-lubricating types,needle roller track rollers.
Thin Section Ball Bearings
Standard cross sections to one inch.Sizes to 40 inches. Stainless steel andother materials are available. Seals areavailable on all sizes and standard crosssections.
Rod Ends
Commercial and industrial, precision,Mil-Spec series, self-lubricating, and air-craft. Sold under the Heim®, Unibal®,and Spherco® brands. Available in inchand metric sizes.
Ball Bearings
Precision ground, semiground,unground. High loads, long life, smoothoperation. Nice™ ball bearings areoffered in caged and full complementconfigurations.
Cam Followers
Standard stud, heavy stud, yoke type,caged roller followers. Patented RBCRoller® cylindrical roller cam followers,HexLube® universal cam followers, airframe track rollers.
Needle Roller Bearings
Tapered Roller and Thrust Bearings
Pitchlign® caged heavy duty needleroller bearings, inner rings, TJTandemRoller® bearings for long life.
Tyson® case-hardened and through-hardened tapered roller bearings. RBCtapered thrust bearings. Available inmany sizes. Used in Class 8 heavytruck and trailer wheel bearings, gear-boxes, and final drive transmissions.
Ball Screws
Precision ground, rolled, ball splines.Long life, low wear, high accuracy.QuickTurn® Ball Screw Repair Service.
Specials
RBC manufactures many specialty bear-ings for the aerospace, oil and energy,semiconductor equipment, packaging,heavy truck, and other industries.
Innovation. Commitment. Quality.
Authorized RBC Distributor
RBC 1/07
www.rbcbearings.com
Dowel Pins, LooseNeedle Rollers, ShaftsPrecision Products dowel pins, looseneedle rollers, and shafts.
© 2007 RBC Bearings Incorporated
This document contains a general overview of the products and features described herein. It is solely for informational purposes, does not represent a warranty of the infor-mation contained herein, and is not to be construed as an offer to sell or a solicitation to buy. Contact RBC Bearings Incorporated for detailed information suitable to yourspecific applications. RBC Bearings Incorporated reserves the right to modify its products and related product information at any time without prior notice.