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Product Catalog
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Product Catalog
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● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
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● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
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● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
Standard
Vehicle
Application
ChainSprocket
ConveyorSystem
ConveyingApplication
Product LineSide Bow Chain(SB)Hollow Pin Chain(HP)
Straight Sidebar ChainDouble Pitch Chain
Free Flow Chain ...................Side Roller Type(SF)
. ...................Top Roller Type(TF)
Attachment Chain
Agriculture Feeder Chain
Conveyor Chain
Motorcycle Chain.......
...........Standard
........
...........Seal Chain
Kart Chain
Timing/Cam Chain
Bicycle Chain
Stand
ard....
........
........
........
........
........
Standa
rd Roll
er Cha
in
Wear Resis
tant S
eries....
........
......S
eal Chain
.....
........
.....Solid Bushing Chain
Environment R
esistant Serie
s....S
tainless Steel Chain
..
..Plated Chain
High Strength Roller C
hain
BS Roller Chain
Hoist
Leaf Chain
PRODUCT LINE
ENUMA CHAIN
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● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
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● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
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● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
CONTENTS
Standard Roller Chain and Attachments........................... 4~5
O-Ring / QX-Ring Sealed Chain.......................................... 6~7
Environment Resistant Chain............................................... 8~9
Non–Standard Heavy Series Roller Chain..................... ...10~11
Leaf Chain........................................................................ ...12~13
Kart Racing and Engine Timing Chain................................... 13
ISO “B” Metric Roller Chain.....................................................14
Hollow Pin Chain.................................................................... ..15
Double Pitch Roller Chain and Attachments.................. .16~17
Free Flow Chain, Side Roller Series....................................... 18
Free Flow Chain, Top Roller Series......................................... 19
Standard Conveyor Chain................................................. 20~21
Standard Conveyor Chain Attachment................................... 22
Side Bow Chain......................................................................... 23
Roller Chain Connecting Links............................................... 24
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● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
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● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
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● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
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● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
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Standard
Vehicle
Application
ChainSprocket
ConveyorSystem
ConveyingApplication
Product LineSide Bow Chain(SB)Hollow Pin Chain(HP)
Straight Sidebar ChainDouble Pitch Chain
Free Flow Chain ...................Side Roller Type(SF)
. ...................Top Roller Type(TF)
Attachment Chain
Agriculture Feeder Chain
Conveyor Chain
Motorcycle Chain.......
...........Standard
........
...........Seal Chain
Kart Chain
Timing/Cam Chain
Bicycle Chain
Stand
ard....
........
........
........
........
........
Standa
rd Roll
er Cha
in
Wear Resis
tant S
eries....
........
......S
eal Chain
.....
........
.....Solid Bushing Chain
Environment R
esistant Serie
s....S
tainless Steel Chain
..
..Plated Chain
High Strength Roller C
hain
BS Roller Chain
Hoist
Leaf Chain
PRODUCT LINE
ENUMA CHAIN
TRA
NSM
ISSION
RO
LLER C
HA
IN
Standard Roller Chain
4
NOTE:1) * Denotes bushing chain. Dimension shown is bushing diameter.2) Cotter pin type connecting link is standard for EK80 and larger.3) EK50 and smaller are furnished with riveted pins. EK60 and larger are furnished with either riveted or cotter pins. 4) Other multiple strand is available upon request. 5) Dimensions above are identical to stainless steel and plated standard roller chains.
EKChain No.
Number of Strands
PitchP
Roller Dia.R
Roller Link Width
W(min.)
Pin Dia.D
Pin Length Link PlateTransverse
PitchC
Average Tensile
Strength kN
Maximum Allowable
LoadkN
Approx. Weightlbs./ft.L1 G Thickness
THeight
H(max.)
EK 015 1 3/16 *0.098 0.094 0.065 0.156 0.232 0.022 0.173 - 2.4 0.31 0.06EK 25 1
1/4 *0.13 0.122 0.091 0.1850.299
0.03 0.236 0.2524.1 0.74 0.087
EK 25-2 2 0.551 8.2 1.2 0.175EK 25-3 3 0.803 12.4 1.8 0.262EK 35 1
3/8 *0.2 0.184 0.141 0.2760.465
0.05 0.354 0.39811.3 2.1 0.228
EK 35-2 2 0.862 22.6 3.6 0.444EK 35-3 3 1.264 33.8 5.4 0.665EK 40 1
1/2 0.312 0.309 0.156 0.3680.642
0.059 0.472 0.56712.7 2.2 0.269
EK 40-2 2 1.205 19.1 3.6 0.423EK 40-3 3 1.772 38.2 6.2 0.84EK 41 1 1/2 0.306 0.246 0.141 0.315 0.535 0.05 0.378 - 57.4 9.1 1.257EK 50 1
5/8 0.4 0.37 0.2 0.4470.807
0.079 0.591 0.71331.4 6.4 0.706
EK 50-2 2 1.504 62.8 10.8 1.398EK 50-3 3 2.205 94.1 16 2.083EK 60 1
3/4 0.469 0.495 0.234 0.5551.018
0.094 0.713 0.89844.1 8.8 1.035
EK 60-2 2 1.906 88.3 15 2.05EK 60-3 3 2.803 132.4 22.1 3.064EK 80 1
1 0.625 0.62 0.312 0.7261.28
0.126 0.949 1.15484.24 14.7 1.74
EK 80-2 2 2.433 164.8 25 3.44EK 80-3 3 3.583 247.1 36.8 5.147EK 100 1
1 1/4 0.75 0.744 0.375 0.8741.587
0.157 1.185 1.409117.1 22.6 2.748
EK 100-2 2 2.992 235.4 38.3 5.443EK 100-3 3 4.409 353 56.4 8.144EK 120 1
1 1/2 0.875 0.993 0.437 1.0831.961
0.189 1.425 1.787166.7 30.4 3.911
EK 120-2 2 3.748 333.4 51.7 7.768EK 140 1
1 3/4 1 0.993 0.5 1.2132.118
0.22 1.661 1.925215.7 40.2 4.845
EK 140-2 2 4.043 431.5 68.4 9.616EK 160 1
2 1.125 1.242 0.562 1.4073.295
0.252 1.898 2.303279.5 53 6.505
EK 160-2 2 5.205 559 90 12.915EK 180 1
2 1/4 1.406 1.397 0.687 1.6422.803
0.283 2.134 2.591353 60.8 9.072
EK 180-2 2 5.394 706 103 17.841EK 200 1
2 1/2 1.562 1.49 0.781 1.7953.071
0.315 2.374 2.819470.7 71.6 10.617
EK 200-2 2 5.89 941.4 121.7 21.019EK 240 1
3 1.875 1.864 0.937 2.1573.717
0.374 2.85 3.457677 99 17.202
EK 240-2 2 7.173 1,353 168 34.311
5
NOTE:1) Other chain dimensions than the above are identical to EK standard roller chain.2) Dimensions shown above are identical to EK steel, stainless steel and plated chain.
TRA
NSM
ISSI
ON
RO
LLER
CH
AIN
Standard Roller Chain Attachment
Bent Wide Attachment
SK1 AttachmentSA1 Attachment
D3 Attachment
A1 AttachmentD1 Attachment
K1 Attachment
WA1,WA2 WK1,WK2
WSK1 WSA1WSK2 WSA2Straight Wide Attachment
EKChain No.
AttachmentAdditional Weight
lbs./1,000 pcs.WA, WK WSA, WSK WA, WK, WSA, WSK
A F H1 A1 F1 0 S B WA, WSA WK, WSKEK 40 0.5 0.689 0.311 0.5 0.689 0.142 0.5 0.953 12.57 25.13EK 50 0.626 0.89 0.406 0.626 0.89 0.205 0.625 1.189 27.34 54.67EK 60 0.75 1.063 0.469 0.72 1.031 0.205 0.75 1.421 46.52 93.04EK 80 1 1.39 0.626 0.969 1.343 0.268 1 1.89 109.35 218.7
EKChain No.
Attachment Additional Weightlbs./1,000 pcs.A1, K1 A1, K1, SA1, SK1 D1, D3
A F H1 A1 F1 0 B Le K A, SA K, SK D-1EK 25 0.28 0.421 0.189 0.313 0.461 0.11 0.22 0.547 0.236 0.66 1.32 0.44EK 35 0.374 0.563 0.252 0.374 0.579 0.11 0.311 0.85 0.375 1.76 3.53 1.76EK 40 0.5 0.709 0.311 0.5 0.693 0.142 0.378 1.016 0.375 2.2 4.41 1.54EK 41 0.469 0.689 0.28 0.484 0.701 0.126 0.374 0.921 0.375 4.41 8.82 2.2EK 50 0.626 0.902 0.406 0.626 0.89 0.205 0.504 1.272 0.469 6.61 13.23 4.41EK 60 0.748 1.091 0.469 0.72 1.039 0.205 0.634 1.575 0.562 15.43 30.86 6.61EK 80 1 1.386 0.626 0.969 1.343 0.268 0.748 2.061 0.75 28.66 57.32 15.43EK 100 1.252 1.748 0.78 1.248 1.709 0.343 1 2.52 0.938 57.32 114.64 26.46EK 120 1.5 2.161 0.906 1.437 2.031 0.413 1.126 3.114 1.125 97 197.01 44.09EK 140 1.752 2.421 1.126 1.752 2.437 0.5 1.374 3.496 1.312 156.53 313.06 66.14EK 160 2 2.811 1.252 2 2.752 0.563 1.5 4.063 1.5 213.85 427.7 97
6
QX-Ring
QX-Ring
Solid BushingSolid Roller
O-Ring
Great Resistancefor Heavy Load
Wide SpeedRange Applicable
EKSeal
Chain
Maintenance FreeLong Wear Life
DurableHarsh Environment
Applications(Soil, Sand, Dust)
TRA
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ISSION
RO
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HA
IN
Power Transmission Seal Chain (O-Ring / QX-Ring Sealed Roller Chains)
Operation Hours
1 2 3x 2 x 5 x 10 4 x 15 5 Conventional Chain (Curled Bushing Chain)
Conventional Chain (Solid Bushing Chain)
Conventional Chain (Sintered Bushing Chain)
O-Ring Chain
QX-Ring Chain
Seal chains extend wear life 10 to 15 times longer than standard chains and 2 to 3 times than sintered bushing chains.
O-ring or QX-ring seal chains reduce the noise level by 2-3dB compared to EK standard roller chain.
Application:1. Seal chains are not recommended in applications where the following chemicals and solvents are used. Contact with the following chemicals and solvents will damage O-ring and QX-ring made of NBR.
Gasoline, Light Oil, Benzene, Toluene, Ether, Ketone, Ethyl Acetate, Phosphoric Acid, Esters Operating Oil, Organic Acid, Heavily Polluted Mineral Acid
2. Allowable operating temperature for standard O/QX-ring is -10˚C to +80˚C (14˚F to 176˚F). Special heat resistant O/QX-ring chains are also available.3. Standard sprockets can be used for seal chains. Considerations of wider chain width than standard chains should be taken in design and installation.4. Periodical lubrication maintenance extends wear life. Seal chains have a little less �exibility due to friction between plates and seal rings, but the loss of power transmission is negligible since the friction loss between pin and bushings is greater.
7
ANSI Standard O-Ring / QX-Ring Sealed Chain
Spring Clip Connecting Link(EK35-EK80)
Screw Type Connecting Link(EK100-EK160)
NOTE:1) EK140C-O: Pin diameter and plate thickness are different from standard seal chain 140-O. 2) EK160C-O: Pin diameter is different from standard seal chain 160-O.
TRA
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Straight Sidebar O-Ring / QX-Ring Sealed Chain
Spring Clip Connecting Link(EK40C-X~EK80C-X)
Screw Type Connecting Link(EK100C-O~EK160C-O)
EKChain No.
PitchP
Roller Dia.
R
Roller Link
Width W(min.)
Pin Dia. Link Plate Average Tensile Strength Maximum Allowable LoadApprox. Weightlbs./ft.D G L L1 Thickness
THeight
H(max.)Height h(max.) kN kgf kN kgf
EK 40C-X 1/2 0.312 0.309 0.156 0.748 0.791 0.417 0.059 0.472 0.472 19.1 1,950 4.2 430 0.497EK 50C-X 5/8 0.4 0.37 0.2 0.937 0.961 0.492 0.079 0.591 0.591 32 3,250 6.6 680 0.88EK 60C-X 3/4 0.469 0.495 0.234 1.122 1.181 0.614 0.094 0.713 0.713 44.1 4,500 9.3 950 1.23EK 80C-X 1 0.625 0.62 0.312 1.409 1.457 0.752 0.126 0.949 0.949 78.6 8,000 19.6 2,000 2.211
EK 100C-O 1 1/4 0.75 0.744 0.375 1.772 1.925 1.039 0.157 1.185 1.185 118 12,000 24.5 2,500 3.474EK 120C-O 1 1/2 0.875 0.993 0.437 2.138 2.52 1.451 0.181 1.425 1.425 171 17,500 46.5 4,750 4.496EK 140C-O 1 3/4 1 0.993 0.5 2.289 2.717 1.571 0.22 1.661 1.661 216 22,000 49 5,000 6.841EK 160C-O 2 1.125 1.242 0.562 2.701 3.346 1.996 0.252 2.031 2.031 314 34,000 68.6 7,000 8.554
EKChain No.
PitchP
Roller Dia.
R
Roller Link
WidthW(min.)
Pin Dia. Link Plate Average Tensile Strength Maximum Allowable LoadApprox. Weightlbs./ft.D G L Ll Thickness
THeight
H(max.)Height h(max.) kN kgf kN kgf
EK 35-O 3/8 *0.2 0.184 0.141 0.571 0.61 0.323 0.05 0.354 0.307 10.8 1,000 2.1 220 0.242EK 40-X 1/2 0.312 0.309 0.156 0.748 0.791 0.417 0.059 0.472 0.409 19.1 1,950 3.6 370 0.45EK 50-X 5/8 0.4 0.37 0.2 0.937 0.961 0.492 0.079 0.591 0.512 32 3,250 6.3 650 0.739EK 60-X 3/4 0.469 0.495 0.234 1.122 1.181 0.614 0.094 0.713 0.614 44.1 4,500 8.8 900 1.095EK 80-X 1 0.625 0.62 0.312 1.409 1.457 0.752 0.126 0.949 0.819 78.6 8,000 14.7 1,500 1.848
EK 100-O 1 1/4 0.75 0.744 0.375 1.772 1.925 1.039 0.157 1.185 1.024 118 12,000 22.6 2,300 2.916EK 120-O 1 1/2 0.875 0.993 0.437 2.138 2.52 1.451 0.189 1.425 1.228 171 17,500 30.4 3,100 4.146EK 140-O 1 3/4 1 0.993 0.5 2.289 2.717 1.571 0.22 1.661 1.433 216 22,000 40.2 4,100 5.134EK 160-O 2 1.125 1.242 0.562 2.701 3.346 1.996 0.252 1.898 1.638 270 27,500 52.9 5,400 6.894
Environment Resistant Chain
8
TRA
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Anti-Wear Performance
300 SSSeries
600 SSSeries
316 SSSeries
400 SSSeries
Dry Conditions
Wea
r Elo
ngat
ion
Operating Hours
Seawater Conditions
Wea
r Elo
ngat
ion
Operating Hours
Non-magnetic 300SS Stainless Steel Roller Chain is available. Please refer to the EK Stainless Steel Roller Chain Catalog.
Water Seawater Sanitary Food
Magnetic
Magnetic
CorrosiveChemicals
Water Seawater Sanitary Food CorrosiveChemicals
Water Seawater Sanitary Food Temperature
-20°C
400°C
Temperature
-20°C
400°C
Temperature
-20°C
400°C
Temperature
°C
-20°C
400°C
CorrosiveChemicals
Water Seawater Sanitary Food CorrosiveChemicals
EK Stainless Steel Roller Chains are designed and developed to resist corrosion, where chains are exposed to chemicals, water and/or seawater, and also resist heat, where chains are exposed to heat in applications such as heat treatment equipments and drying ovens.EK Stainless Steel Roller Chain series offer 300SS, 600SS, 316SS and 400SS type to suit particular hostile corrosive environments.
All components: 304SS1. Most common corrosion resistant chain.2. Corrosion Resistance: Water, general acid, and alkali.3. Temperature Resistance: -20°C to +400°C.
Magnetic Property: Slightly magnetic due to cold rolling process of parts.
Pin Bushing and Roller: Precipitation hardened 600SS Link Plate: 304SS1. High Load Capacity: 1.5 times higher maximum allowable load than 300SS series.2. Less corrosion resistance than 300SS series for certain environmental conditions.
Magnetic Property: Magnetic
All components: 316SS1. Withstanding long-time direct contact with corrosive substances.2. Load capacity is equal to 300SS series.3. Highest heat resistance.
Magnetic Property: No Magnetic
Bushing and Roller: 410SS Pin: 431SS Link Plate: 304SS1. Excellent wear resistance in water, dry, and humid environmental conditions.2. Slightly less corrosion resistance than 300SS and 600SS series.
Magnetic property: Magnetic
300SS
600SS
400SS 300SS
400SS
600SS
Stainless Steel Roller Chain
9
EK plated roller chains NP and ZS series are assembled from chain components plated before assembly.This ensures that all components surfaces are fully plated, resulting in better anti-corrosion performance.ZC chains are coated after assembly. However corrosion resistance performance is superior to NP and ZS in water and salty environments.
Unless otherwise specified, these series chains are supplied with rust preventive oil. The plated chain with translucent grease having rust-preventive and a lubricant function is available if so specified. These chains are used for areas where better lubrication and rust prevention is required.The chains with translucent grease are available upon request.
Chains with heat resistant coating and poly-seal coating are available to suit particular hostile corrosive environments.
Table of EK Plated Roller Chain Series
The plating of ZS and ZC chain may peel off, and therefore these chains are not recommended for applications where the chains and/or plating come in direct contact with food.
Stainless Steel Roller Chain
Plated Roller Chain - Coated Roller Chain TRA
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Used mostly indoors or outdoors in mildly corrosive environments.
Alloy plating. Strong anti-corrosion.Good for where cosmetic appearance is important.
Excellent anti-corrosion performances.Very strong with seawater and salty environments.
Series TensileStrength
Corrosion ResistanceCost Note
Rain Seawater
NP
ZS
ZC
Excellent
Good
Good
Good
Excellent
Excellent
Poor
Good
Excellent
Affordable
Moderate
Moderate
EKChain No.
304SS 600SS
Average Tensile
Strength kN
Maximum Allowable
LoadkN
Average Tensile
Strength kN
Maximum Allowable
LoadkN
EK 25 3.33 0.12 3.33 0.18
EK 35 7.5 0.26 7.5 0.39
EK 41 8.4 0.3 8.4 0.45
EK 40 13.3 0.44 13.3 0.64
EK 50 20.8 0.69 20.8 1.03
EK 60 30 1.03 30 1.52
EK 80 53.4 1.77 53.4 2.65
EK 100 82.2 2.55 82.2 3.82
EK 120 120 3.82 120 5.88
EK Chain No. 304SS 600SS
Standard Roller
Large Roller
Average Tensile
Strength kN
Maximum Allowable
LoadkN
Average Tensile
Strength kN
Maximum Allowable
LoadkN
EK C2040 EK C2042 13.3 0.44 13.3 0.69
EK C2050 EK C2052 20.8 0.69 20.8 1.03
EK C2060H EK C2062H 31.2 1.03 31.2 1.57
EK C2080H EK C2082H 55.9 1.77 55.9 2.65
EK C2100H EK C2102H 85.3 2.55 85.3 3.82
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NOTE:1) Suffix code "C" denotes chains having straight sidebar.2) Chain with suffix code "R" has longer bushing and therefore the standard connecting link cannot be used. 3) * Denotes bushing chain. Dimension shown is bushing diameter.
TRA
NSM
ISSION
RO
LLER C
HA
IN
Standard Type (Bushing Chain) Standard Type (Roller Chain) C Type
Non−Standard Heavy Series Roller Chain
EKChain No.
PitchP
Roller Dia.R
Roller Link Width
W(min.)
Pin Dia.D
Pin Length Link Plate Average Tensile
Strength kN
Maximum Allowable
LoadkN
Approx. Weightlbs./ft.L1 G Thickness
THeight
H(max.)
EK 25H 1/4 *0.130 0.122 0.091 0.205 0.339 0.039 0.236 5.4 0.98 0.108EK 29H 0.306 *0.181 0.181 0.124 0.281 0.469 0.055 0.295 9.8 1.8 0.215
EK 29HR 0.306 *0.181 0.181 0.124 0.293 0.488 0.055 0.295 9.8 1.8 0.222EK 29HR-D 0.306 *0.181 0.181 0.124 0.293 0.488 0.055 0.295 9.8 1.8 0.222
EK 35R 3/8 0.2 0.184 0.141 0.307 0.535 0.05 0.354 11.7 2.1 0.242
EK 415M 1/2 0.306 0.184 0.143 0.264 0.465 0.043 0.378 11.7 1.3 0.228EK 415S 1/2 0.306 0.184 0.156 0.303 0.512 0.059 0.409 14.7 2.6 0.296
EK 415SH 1/2 0.306 0.184 0.156 0.303 0.512 0.059 0.472 18.6 3.6 0.363EK 415SH-R 1/2 0.306 0.184 0.156 0.337 0.579 0.059 0.472 18.6 3.6 0.376EK 420SH 1/2 0.306 0.246 0.156 0.392 0.681 0.079 0.472 23.5 4.6 0.464
EK 40C 1/2 0.313 0.309 0.156 0.368 0.642 0.059 0.472 20.5 4.2 .047EK 40S-C 1/2 0.312 0.309 0.156 0.368 0.642 0.059 0.472 20.5 4.2 .047
EK 40SH-C 1/2 0.312 0.309 0.156 0.384 0.681 0.079 0.472 23.5 5.2 0.538EK 40SH-CS 1/2 0.312 0.309 0.156 - 0.748 0.079 0.472 23.5 5.5 0.598
EK 428H 1/2 0.335 0.309 0.177 0.413 0.701 0.071 0.472 23.5 3.5 0.491EK 428SH 1/2 0.335 0.309 0.177 0.402 0.732 0.079 0.472 25 3.92 0.524
EK 428SH-C 1/2 0.335 0.309 0.177 0.402 0.732 0.079 0.472 26.5 5 0.605EK 428SK-C 1/2 0.335 0.309 0.177 - 0.772 0.094 0.472 27.4 6.8 0.611EK 520SH 5/8 0.4 0.246 0.2 0.423 0.744 0.094 0.591 36.2 7.2 0.712EK 520S 5/8 0.4 0.246 0.2 0.384 0.681 0.079 0.591 34.3 6.3 0.625
EK 525SH 5/8 0.4 0.309 0.2 0.455 0.807 0.094 0.591 36.2 7.2 0.739EK 525SH-CP 5/8 0.421 0.309 0.2 - 0.878 0.126 0.591 36.2 11.2 0.981EK 525SHK-C 5/8 0.421 0.309 0.198 - 0.878 0.126 0.591 44.1 11.7 1.176
11
NOTE:1) Suffix code "C" denotes chains having straight sidebar.2) Suffix code "R" denotes bushing chain. Dimension shown is bushing diameter.3) Unless specified, chains marked with # are furnished with endless type. Light press fit connecting links are also available.
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EKChain No.
PitchP
Roller Dia.R
Roller Link Width
W(min.)
Pin Dia.D
Pin Length Link Plate Average Tensile
Strength kN
Maximum Allowable
LoadkN
Approx. Weightlbs./ft.L1 G Thickness
THeight
H(max.)
EK 50C 5/8 0.4 0.37 0.2 0.447 0.807 0.079 0.591 31.3 6.6 0.813EK 50S 5/8 0.4 0.37 0.2 0.447 0.807 0.079 0.591 34.3 6.3 0.706EK 50H 5/8 0.4 0.37 0.2 0.49 0.87 0.094 0.591 32.3 7.2 0.766
EK 50SH 5/8 0.4 0.37 0.2 0.49 0.87 0.094 0.591 36.2 7.2 0.766EK 50SH-C 5/8 0.4 0.37 0.2 0.49 0.87 0.094 0.591 39.2 8.4 0.887
EK 630S 3/4 0.469 0.37 0.234 0.492 0.892 0.094 0.669 45.1 8.8 0.907EK 630S-C 3/4 0.469 0.37 0.234 0.492 0.892 0.094 0.669 48 9.2 1.021
EK 630SH 3/4 0.469 0.37 0.234 0.555 0.99 0.126 0.713 52.9 12.7 1.095
EK 630SHK-CP # 3/4 0.562 0.37 0.265 0.596 1.091 0.157 0.768 65.2 17.9 1.599
EK 60C 3/4 0.469 0.495 0.234 0.555 0.99 0.094 0.669 48 9.2 1.115EK 60S 3/4 0.469 0.495 0.234 0.555 0.99 0.094 0.669 45.1 8.8 1.035
EK 60S-C 3/4 0.469 0.495 0.234 0.555 0.99 0.094 0.669 48 9.2 1.115EK 60H 3/4 0.469 0.495 0.234 0.616 1.154 0.126 0.669 44.1 10.7 1.183
EK 6OSH 3/4 0.469 0.495 0.234 0.616 1.154 0.126 0.713 52.9 12.7 1.183EK 60SH-B 3/4 0.469 0.495 0.295 0.689 1.22 0.157 0.787 70.6 15.6 1.613
EK 745SSHK-C 7/8 0.614 0.563 0.312 0.839 1.409 0.189 0.925 88.2 22.5 2.399EK 745U# 7/8 0.614 0.563 0.312 - 1.409 0.189 0.925 88.2 28.4 2.372
EK 845SHK-C 1 0.75 0.563 0.375 0.904 1.713 0.252 1.004 122.5 40.2 3.326EK 845U# 1 0.75 0.563 0.375 - 1.713 0.252 1.004 122.5 44.1 3.293
EK 80C 1 0.625 0.62 0.312 0.726 1.28 0.126 0.953 78.4 19.6 2.083EK 80H 1 0.625 0.62 0.312 0.791 1.409 0.157 0.949 82.3 14.7 1.996
EK 80SH 1 0.625 0.62 0.312 0.791 1.409 0.157 0.949 93.1 20.5 2.144
EK 80HS.P.R 1 0.625 0.62 0.312 - 1.409 0.157 1.004 95.1 23.5 2.318
EK 955SHK-C 1 1/8 0.839 0.687 - - 1.913 0.252 1.122 147 42.1 4.2EK 955U 1 1/8 0.839 0.687 - - 1.913 0.252 1.122 147 46.1 4.166EK 100C 1 1/4 0.75 0.744 0.376 0.835 1.587 0.157 1.102 117.6 24 2.889EK 100H 1 1/4 0.75 0.744 0.375 0.939 1.713 0.189 1.185 127.4 25.4 2.93
EK 100SH-B# 1 1/4 0.75 0.744 0.437 1.02 1.811 0.22 1.22 156.9 40.2 3.716EK 100S.P.R# 1 1/4 0.75 0.744 0.375 - 1.587 0.157 1.22 127.4 29.4 2.95
EK 100SHS-C# 1 1/4 0.75 0.744 0.409 - 1.795 0.22 1.22 156.9 45.1 3.662
EK 120H 1 1/2 0.875 0.993 0.437 1.146 2.094 0.22 1.425 171.6 34.3 4.166EK 1275HS.P.R# 1 1/2 0.875 0.937 0.437 - 1.969 0.22 1.425 176.5 46.5 4.663
EK 140U 1 3/4 1 0.993 0.555 - 2.362 0.252 1.661 313.8 49 6.451
EK 160H 2 1.125 1.242 0.563 1.394 2.638 0.28 1.862 275 58.8 6.78EK 160MG 2 1.125 1.242 0.562 1.441 2.512 0.252 1.862 269.6 63.7 6.585
EK 160S.P.R# 2 1.125 1.242 0.594 - 2.61 0.252 2 333.4 68.6 8.07
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NOTE:1) Minimum ultimate tensile strength is not the working load capacity of the chain. Safety factors must be applied, with regards to severity or application and experience of user design of application.
Leaf Chain
EKChain No.
PitchP
Link Plate
Link Plate Pin Minimum Tensile Strength
Max. AllowableTension Approx.
Weightlbs./ft.
Clevis
d(Hole Dia.)
(min.)
R(max.)
U(min.) C U1
(min.)W
(max.)U2
(min.)Height max.
H
ThicknessT
Dia. D
Over All
Riveted G
kN kgf kN kgf
EK BL- 421 2 X 1 - - - 0.331 11.7 1,200 1.5 160 0.3 - - - - 0.087 0.079 -EK BL- 422 2 X 2 - - - 0.425 23.5 2,400 3.1 320 0.39 - - - - 0.169 0.161 -EK BL- 423 2 X 3 - - - 0.51 23.5 2,400 4.4 450 0.48 - - - - 0.252 0.244 -EK BL- 434 1/2 3 X 4 0.472 0.079 0.199 0.681 37.2 3,800 5 510 0.67 0.202 0.248 0.248 0.244 0.169 0.413 0.087EK BL- 444 4 X 4 - - - 0.744 49 5,000 5.2 540 0.76 - - - 0.323 0.169 0.476 0.169EK BL- 446 4 X 6 - - - 0.929 49 5,000 5.8 600 0.95 - - - 0.406 0.252 0.661 0.169EK BL- 466 6 X 6 - - - 1.079 73.5 7,500 6.1 630 1.13 - - - 0.323 0.169 0.807 0.169EK BL- 521 2 X 1 - - - 0.394 19.6 2,000 2.6 270 0.47 - - - - 0.106 0.094 -EK BL- 522 2 X 2 - - - 0.508 39.2 4,000 5.1 530 0.62 - - - - 0.201 0.193 -EK BL- 523 2 X 3 - - - 0.598 39.2 4,000 7.4 760 0.77 - - - - 0.299 0.291 -EK BL- 534 5/8 3 X 4 0.591 0.094 0.233 0.791 58.8 6,000 8.5 870 1.06 0.236 0.311 0.311 0.291 0.201 0.48 0.106EK BL- 544 4 X 4 - - - 0.892 78.4 8,000 9 920 1.22 - - - 0.386 0.201 0.579 0.201EK BL- 546 4 X 6 - - - 1.083 78.4 8,000 9.9 1,010 1.51 - - - 0.484 0.299 0.772 0.201EK BL- 566 6 X 6 - - - 1.28 117.6 12,000 10.3 1,060 1.81 - - - 0.386 0.201 0.969 0.201EK BL- 622 2 X 2 - - - 0.646 68.6 7,000 7.6 780 0.93 - - - - 0.268 0.256 -EK BL- 623 2 X 3 - - - 0.783 68.6 7,000 10.8 1,110 1.16 - - - - 0.402 0.386 -EK BL- 634 3/4 3 X 4 0.713 0.126 0.312 1.039 102.9 10,500 12.4 1,270 1.6 0.315 0.374 0.374 0.390 0.268 0.65 0.138EK BL- 644 4 X 4 - - - 1.165 137.2 14,000 13.2 1,350 1.81 - - - 0.520 0.268 0.776 0.268EK BL- 646 4 X 6 - - - 1.437 137.2 14,000 14.4 1,470 2.26 - - - 0.728 0.402 1.047 0.268EK BL- 666 6 X 6 - - - 1.685 205.9 21,000 15.2 1,550 2.69 - - - 0.52 0.268 1.295 0.268EK BL- 822 2 X 2 - - - 0.807 102.9 10,500 13.2 1,350 1.55 - - - - 0.335 0.319 -EK BL- 823 2 X 3 - - - 0.969 102.9 10,500 19.8 2,020 1.91 - - - - 0.5 0.48 -EK BL- 834 1 3 X 4 0.949 0.157 0.375 1.287 154.9 15,800 22.5 2,300 2.65 - - - 0.484 0.335 0.803 0.177EK BL- 844 4 X 4 - - - 1.449 205.9 21,000 23.9 2,440 3.02 0.378 0.5 0.5 0.646 0.335 0.965 0.335EK BL- 846 4 X 6 - - - 1.768 205.9 21,000 26.2 2,680 3.75 - - - 0.807 0.5 1.283 0.335EK BL- 866 6 X 6 - - - 2.098 308.9 31,500 27.5 2,810 4.49 - - - 0.646 0.335 1.614 0.335EK BL-1022 2 X 2 - - - 0.961 151 15,400 20.3 2,080 2.32 - - - - 0.398 0.382 -EK BL-1023 2 X 3 - - - 1.154 151 15,400 32.1 3,280 2.88 - - - - 0.594 0.575 -EK BL-1034 1 1/4 3 X 4 1.181 0.189 0.437 1.543 225.5 23,000 36.6 3,740 4.01 0.439 0.622 0.622 0.575 0.398 0.965 0.217EK BL-1044 4 X 4 - - - 1.728 282.4 28,800 38.9 3,970 4.57 - - - 0.764 0.398 1.15 0.398EK BL-1046 4 X 6 - - - 2.11 282.4 28,800 42.6 4,350 5.69 - - - 0.957 0.594 1.531 0.398EK 8L-1066 6 X 6 - - - 2.492 421.6 43,000 44.8 4,570 6.81 - - - 0.764 0.398 1.909 0.398EK BL-1223 2 X 3 - - - 1.319 196.1 20,000 49.6 5,060 3.72 - - - - 0.689 0.669 -EK BL-1234 3 X 4 - - - 1.776 313.8 32,000 56.5 5,770 5.17 - - - 0.677 0.469 1.126 0.236EK BL-1244 1 1/2 4 X 4 1.425 0.22 0.5 2.028 392.2 40,000 60.6 6,120 5.91 0.502 0.748 0.748 0.902 0.469 1.37 0.469EK BL-1246 4 X 6 - - - 2.449 392.2 40,000 65.7 6,700 7.34 - - - 1.13 0.689 1.799 0.469EK BL-1266 6 X 6 - - - 2.874 588.3 60,000 69.1 7,050 8.81 - - - 0.902 0.469 2.256 0.469EK BL-1423 2 X 3 - - - 1.516 235.3 24,000 65.3 6,660 5.48 - - - - 0.791 0.764 -EK BL-1434 3 X 4 - - - 2.047 387.3 39,500 71.5 7,300 7.62 - - - 0.768 0.531 1.295 0.276EK BL-1444 1 3/4 4 X 4 1.661 0.252 0.562 2.303 470.7 48,000 74.5 7,600 8.69 0.565 0.874 0.874 1.024 0.531 1.551 0.531EK BL-1446 4 X 6 - - - 2.795 470.7 48,000 86.4 8,820 10.81 - - - 1.283 0.791 2.043 0.531EK BL-1466 6 X 6 - - - 3.323 706 72,000 90.9 9,270 12.96 - - - 1.024 0.531 2.563 0.531EK BL-1623 2 X 3 - - - 1.752 357.9 36,500 77.2 7,880 7.06 - - - - 0.898 0.862 -EK BL-1634 3 X 4 - - - 2.343 559.9 57,100 85.3 8,700 9.82 - - - 0.878 0.61 1.453 0.315EK BL-1644 2 4 X 4 1.898 0.283 0.687 2.638 715.8 73,000 91.2 9,300 11.19 0.691 1 1 1.173 0.61 1.728 0.61EK BL-1646 4 X 6 - - - 3.228 715.8 73,000 107.8 11,000 13.95 - - - 1.465 0.898 2.339 0.61EK BL-1666 6 X 6 - - - 3.819 1,073.8 109,500 113.7 11,600 16.71 - - - 1.173 0.61 2.929 0.61
13
NOTE:1) * Denotes bushing chain. Dimension shown is bushing diameter.2) Chain with suffix code "R" has longer bushing and therefore the standard connecting link cannot be used.3) EK06BE is furnished with solid bushing and chromed pin.4) EK05T-D is furnished with solid bushing.
Kart Racing and Engine Timing Chains
TRA
NSM
ISSI
ON
RO
LLER
CH
AIN
Bushing Chain Roller Chain
EKChain No.
PitchP
Roller Dia.R
Roller Link Width
W(min.)
Pin Dia.D
Pin Length Link Plate Average Tensile
Strength kN
ApplicationApprox. Weightlbs./ft.L1 G Thickness
THeight
H(max.)
EK 25 1/4 0.13 0.122 0.091 0.185 0.299 0.03 0.236 4.4 Cam 0.087EK 25H 1/4 0.13 0.122 0.091 0.205 0.339 0.039 0.236 5.5 Cam 0.108EK 29H 0.306 0.181 0.181 0.124 0.281 0.469 0.055 0.295 9.8 Cam, Starter 0.215EK 06B 3/8 0.25 0.225 0.128 0.293 0.484 0.051 0.319 10.3 Cam 0.262
EK 06B-2 3/8 0.25 0.225 0.128 0.293 0.906 0.051 0.319 21.1 Cam 0.517EK 06BE 3/8 0.25 0.225 0.128 - 0.535 0.053 0.327 12.4 Cam 0.302EK 05E 0.315 0.222 0.181 0.124 - 0.461 0.051 0.307 10.3 Cam 0.242
EK 05T-D 0.315 0.185 0.181 0.124 - 0.453 0.051 0.307 8.5 Cam 0.282EK 05T-M 0.315 0.185 0.181 0.124 - 0.453 0.051 0.307 8.2 Oil Pump 0.282EK 29HR 0.306 0.181 0.181 0.124 - 0.488 0.055 0.295 9.8 Race Kart 0.202
EK 29HRD 0.306 0.181 0.181 0.124 - 0.488 0.055 0.295 9.8 Race Kart 0.222EK 35R 3/8 0.2 0.184 0.141 0.307 0.535 0.05 0.354 11.7 Race Kart 0.242
EKChain No.
PitchP
Link Plate
Link Plate Pin Minimum Tensile Strength
Max. Allowable Tension Approx.
Weightlbs./ft.
Clevisd
(Hole
Dia.)
(min.)
R(max.)
U(min.) C U1
(min.)W
(max.)U2
(min.)Height max.
H
Thickness
TDia.
D
Over All Riveted
GkN kgf kN kgf
EK AL- 322 3/8 2 X 2 0.295 0.05 0.141 0.268 7.8 800 0.8 85 0.148 0.143 0.185 0.165 - 0.106 0.106 -EK AL- 422 2 X 2 - - - 0.327 16.6 1,700 1.8 190 0.242 - - - - - 0.118 -EK AL- 444 1/2 4 X 4 0.409 0.059 0.155 0.579 33.3 3,400 3.5 360 0.484 0.157 0.248 0.236 0.248 0.126 0.37 0.126EK AL- 466 6 X 6 - - - 0.819 50 5,100 4.1 420 0.719 - - - - - 0.626 -EK AL- 522 2 X 2 - - - 0.425 27.4 2,800 3 310 0.417 - - - - - 0.157 -EK AL- 544 5/8 4 X 4 0.512 0.079 0.199 0.744 54.9 5,600 6.3 650 0.827 0.202 0.311 0.295 0.327 0.169 0.492 0.169EK AL- 566 6 X 6 - - - 1.079 82.3 8,400 6.7 690 1.23 - - - - - 0.823 -EK AL- 622 2 X 2 - - - 0.508 38.2 3,900 4.3 440 0.585 - - - - - 0.189 -EK AL- 644 3/4 4 X 4 0.614 0.094 0.233 0.892 76.4 7,800 8.2 840 1.149 0.236 0.374 0.335 0.39 0.201 0.579 0.201EK AL- 666 6 X 6 - - - 1.28 114.7 11,700 9.5 970 1.714 - - - - - 0.969 -EK AL- 822 2 X 2 - - - 0.646 64.7 6,600 7.9 810 1.035 - - - - - 0.252 -EK AL- 844 1 4 X 4 0.819 0.126 0.311 1.165 132.5 13,520 14.7 1,500 2.036 0.315 0.5 0.453 0.512 0.268 0.78 0.268EK AL- 866 6 X 6 - - - 1.685 194.1 19,800 17.5 1,790 3.031 - - - - - 1.299 -EK AL-1022 2 X 2 - - - 0.807 98 10,000 12.9 1,320 1.687 - - - - - 0.315 -EK AL-1044 1 1/4 4 X 4 1.024 0.157 0.374 1.449 196.1 20,000 24.8 2,530 3.32 0.378 0.622 0.571 0.638 0.335 0.961 0.335EK AL-1066 6 X 6 - - - 2.098 294.1 30,000 28.6 2,920 4.946 - - - - - 1.614 -EK AL-1222 2 X 2 - - - 0.961 138.2 14,100 18.7 1,910 2.338 - - - - - 0.378 -EK AL-1244 1 1/2 4 X 4 1.22 0.189 0.436 1.728 247.1 25,200 35.9 3,670 4.616 0.439 0.748 0.689 0.764 0.398 1.15 0.398EK AL-1266 6 X 6 - - - 2.492 414.8 42,300 41.3 4,220 6.881 - - - - - 1.929 -EK AL-1422 2 X 2 - - - 1.098 178.4 18,200 22.5 2,300 2.943 - - - - - 0.441 -EK AL-1444 1 3/4 4 X 4 1.417 0.22 0.499 2.028 356.9 36,400 43.3 4,420 5.806 0.502 0.874 0.787 0.89 0.469 1.354 0.469EK AL-1466 6 X 6 - - - 2.894 535.4 54,600 49.8 5,080 8.655 - - - - - 2.264 -EK AL-1622 2 X 2 - - - 1.26 230.4 23,500 30.2 3,080 3.864 - - - - - 0.504 -EK AL-1644 2 4 X 4 1.614 0.252 0.561 2.287 460.9 47,000 57.9 5,910 7.613 0.565 1 0.886 1.031 0.531 1.535 0.531EK AL-1666 6 X 6 - - - 3.323 691.3 70,500 66.7 6,810 11.37 - - - - - 2.575 -
ISO “B” Metric Roller Chains
14
NOTE:1) EK06B: The chain is furnished with straight sidebar. The multiple strand chain is furnished with a single center link plate.2) EK05B: Offset links are available with two pitch type only and not available for multiple strands.3) BS stainless steel and plated chains are also available.
TRA
NSM
ISSION
RO
LLER C
HA
IN
Chain No.No. of
StrandsPitch
P
Roller Dia.
R
Roller Link Width
W(min.)
Pin Dia.D
Pin Length Link Plate Transverse Pitch
C
Tensile Strength Approx. Weightlbs./ft.EK ISO
"B" L1 GThickness
THeight
H(max.)ISO “B”
kNEK (min.)
kN
EK 04 1 0.236 0.157 0.11 0.073 0.169 0.256 0.024 0.197 - - 2.9 0.081EK 05B
05B1
0.315 0.197 0.118 0.091 0.1850.299
0.03 0.28 0.2224.4 4.5 0.121
EK 05B-2 2 0.524 7.8 7.8 0.235EK 05B-3 3 0.744 11.1 11.1 0.356EK 06B
06B1
3/8 0.25 0.225 0.128 0.3050.484
0.051 0.319 0.4038.9 8.9 0.262
EK 06B-2 2 0.906 16.9 16.9 0.504EK 06B-3 3 1.303 24.9 24.9 0.739EK 08B
08B1
1/2 0.335 0.305 0.175 0.3690.642
0.059 0.465 0.54817.8 17.8 0.43
EK 08B-2 2 1.205 31.1 31.1 0.887EK 08B-3 3 1.772 44.5 44.5 1.331EK 10B
10B1
5/8 0.4 0.38 0.2 0.4150.744
0.059 0.579 0.65322.2 22.2 0.598
EK 10B-2 2 1.386 44.5 44.5 1.183EK 10B-3 3 2.039 66.7 66.7 1.767EK 12B
12B1
3/4 0.475 0.46 0.224 0.490.878
0.071 0.634 0.76628.9 28.9 0.813
EK 12B-2 2 1.642 57.8 57.8 1.606EK 12B-3 3 2.409 86.7 86.7 2.399EK 16B
16B1
1 0.625 0.67 0.326 0.7321.425
0.157 0.827 1.25560 63.7 1.781
EK 16B-2 2 2.673 106 121.6 3.541EK 16B-3 3 3.929 160 181.4 5.295EK 20B
20B1
1 1/4 0.75 0.77 0.4 0.9221.582
0.177 1.024 1.43564.5 98 2.527
EK 20B-2 2 3.02 129 164.7 4.879EK 20B-3 3 4.466 193.5 266.7 7.298EK 24B
24B1
1 1/2 1 1 0.576 1.2222.1
0.232 1.315 1.90497.8 166.7 4.899
EK 24B-2 2 4.01 195.7 315.7 9.764EK 24B-3 3 5.914 293.6 475.6 14.622EK 28B
28B1
1 3/4 1.1 1.22 0.625 1.5252.563
0.291 1.437 2.345129 196.1 6.222
EK 28B-2 2 4.909 258.1 368.7 12.398EK 28B-3 3 7.256 387.1 556 18.58EK 32B
32B1
2 1.15 1.22 0.701 1.552.567
0.272 1.638 2.305169 237.3 6.666
EK 32B-2 2 4.882 338.1 484.4 13.278EK 32B-3 3 7.19 507.1 728.6 19.897
15
Hollow Pin Chain
NOTE:1) Heavy link plate for EK C2060HP (3.2mm) and EKC2080HP (4.0mm) is available.2) Nickel plated and stainless steel chain is available.
Double Pitch Type
CO
NV
EYIN
G R
OLL
ER C
HA
INEK Chain No.
Pitch P
Roller Link
Width W(min.)
Roller Diameter
Pin Dia. D
Pin I.D. (min.)
Pin Length PlateAverage Tensile
Strength kN
Maximum Allowable
Load kN
Approx. Weight
Standard Roller Large Roller
Standard Roller
R
Large Roller
RRL1 G Thickness
THeight
H(max.)
Standard Rollerlbs./ft.
Large Roller lbs./ft.
EKC2040HP EKC2042HP 1 0.286 0.313 0.625 0.221 0.158 0.358 0.654 0.059 0.461 10.7 1.7 0.296 0.511
EKC2050HP EKC2052HP 1 1/4 0.37 0.4 0.75 0.281 0.202 0.449 0.791 0.079 0.587 19.6 3.1 0.484 0.773
EKC2060HP EKC2062HP 1 1/2 0.495 0.469 0.875 0.331 0.235 0.555 0.984 0.094 0.669 26.4 4.2 0.665 1.129
EKC2080HP EKC2082HP 2 0.62 0.625 1.125 0.447 0.314 0.705 1.22 0.126 0.906 55.8 8.9 1.122 1.68
EKChain No.
PitchP
Roller Dia.R
Roller Link Width
W(min.)
Pin Dia.D
Pin I.D.(min.)
Pin Length Link Plate Average Tensile
Strength kN
Maximum Allowable
LoadkN
Approx. Weightlbs./ft.L1 G Thickness
THeight
H(max.)
EK 40HP 1/2 0.313 0.309 0.221 0.158 0.358 0.654 0.059 0.472 10.7 1.7 0.376EK 50HP 5/8 0.4 0.37 0.281 0.202 0.449 0.791 0.079 0.591 19.6 3.1 0.645EK 60HP 3/4 0.469 0.495 0.331 0.235 0.555 0.984 0.094 0.713 26.4 4.2 0.887EK 80HP 1 0.625 0.62 0.447 0.314 0.705 1.220 0.126 0.949 55.8 8.9 1.391
Double Pitch Roller Chain
16
NOTE:1) Cotter pin type connecting link is standard. Clip type connecting link is available for EKC2040, 2050 and 2060(H), if so specified. 2) Offset link is available. 3) Heat treated large roller is standard. Non-heat treatment is available if so specified.4) We offer plastic and rubber roller in addition to standard steel roller.
Standard Roller Large Roller
CO
NV
EYIN
G R
OLLER
CH
AIN
EK Chain No.Pitch
P
Roller Link Width
W(min.)
Roller DiameterPin Dia.
D
Pin Length
Standard Roller Large Roller Standard Roller R
Large Roller RR L1 G
EK C2040 EK C2042 1 0.309 0.312 0.625 0.156 0.376 0.642EK C2050 EK C2052 1 1/4 0.37 0.4 0.75 0.2 0.463 0.807EK C2060 EK C2062
1 1/2 0.495 0.469 0.875 0.2340.591 1.018
EK C2060H EK C2062H 0.663 1.154EK C2080 EK C2082
2 0.62 0.625 1.125 0.312
0.726 1.28EK C2080H EK C2082H 0.791 1.409EK C2100 EK C2102
2 1/2 0.744 0.75 1.562 0.375
0.874 1.587EK C2100H EK C2102H 0.939 1.713EK C2120 EK C2122
3 0.993 0.875 1.75 0.4371.083 1.969
EK C2120H EK C2122H 1.146 2.094
EK Chain No. Link PlateAverage
Tensile Strength kN
Maximum Allowable Load
kN
Approx. Weight
Standard Roller Large Roller Thickness T
Height H(max.)
Standard Rollerlbs./ft.
Large Roller lbs./ft.
EK C2040 EK C2042 0.059 0.461 19.1 3.6 0.329 0.564EK C2050 EK C2052 0.079 0.587 31.3 6.3 0.544 0.86EK C2060 EK C2062 0.094
0.669 44.1 8.80.766 1.243
EK C2060H EK C2062H 0.126 0.961 1.438EK C2080 EK C2082 0.126
0.906 78.4 14.71.364 2.076
EK C2080H EK C2082H 0.157 1.653 2.359EK C2100 EK C2102 0.157
1.134 117.6 22.52.164 3.649
EK C2100H EK C2102H 0.189 2.58 4.052EK C2120 EK C2122 0.189
1.398 166.7 30.43.024 5.04
EK C2120H EK C2122H 0.22 3.797 5.497
17
Note: 1) G1 attachment is furnished with a hole on one side.
CO
NV
EYIN
G R
OLL
ER C
HA
IN
Double Pitch Roller Chain Attachment
A1 Attachment A2 Attachment K1 Attachment K2 Attachment
SA1 Attachment SA2 Attachment SK1 Attachment
D1 Attachment D3 Attachment GK1 Attachment
SK2 Attachment
EK Chain No. Attachment
Standard Roller Large Roller
A and K Type SK and SA Type
A F F2 H1 A1 O1 A2 F1EK C2040 EK C2042 0.5 0.748 0.685 0.358 0.437 0.205 0.531 0.78EK C2050 EK C2052 0.625 0.949 0.866 0.437 0.563 0.268 0.626 0.969EK C2060 EK C2062
0.8441.15 1.051
0.579 0.689 0.343 0.752 1.205EK C2060H EK C2062H 1.236 1.106EK C2080 EK C2082
1.0941.555 1.421
0.752 0.874 0.406 1 1.63EK C2080H EK C2082H 1.642 1.476EK C2100 EK C2102
1.3131.969 1.807
0.937 1.126 0.563 1.252 2.087EK C2100H EK C2102H 2.055 1.862EK C2120 EK C2122
1.5632.39 2.181
1.094 1.311 0.63 1.469 2.362EK C2120H EK C2122H 2.39 2.142
EK Chain No. Attachment Additional Weight lbs./1,000 pcs.
Standard Roller Large RollerA, K, SK, and SA Type GK1 Type D1 and D3 Type
O S B G Le K A, SA K, SK D1EK C2040 EK C2042 0.142 0.375 0.76 0.165 1.039 0.375 6.61 13.23 2.2EK C2050 EK C2052 0.205 0.469 0.945 0.205 1.291 0.469 13.23 26.46 4.41EK C2060 EK C2062
0.205 0.563 1.134 0.2441.606
0.56228.66 57.32
6.61EK C2060H EK C2062H 1.752 37.48 74.96EK C2080 EK C2082
0.268 0.75 1.5 0.3232.061
0.7566.14 132.28
15.43EK C2080H EK C2082H 2.183 81.57 163.14EK C2100 EK C2102
0.331 0.937 1.874 0.4022.512
0.938123.46 246.92
26.46EK C2100H EK C2102H 2.64 147.71 295.42EK C2120 EK C2122
0.39 1.007 2.252 -3.083
1.125189.6 379.19
44.09EK C2120H EK C2122H 3.209 220.46 440.92
Free Flow Chain
18
NOTE:1) Carbon steel and plastic roller is available.
Side Roller Series
Staggered Type Crosswise Type
CO
NV
EYIN
G R
OLLER
CH
AIN
Double Pitch Type
Staggered Type Crosswise Type
EK Chain No. Pitch P
Roller Dia. R
Roller Link Width W(min.)
Pin Dia. D
Link PlateThickness
THeight
H(max.)EK 40SF 1/2 0.312 0.309 0.156 0.059 0.472EK 50SF 5/8 0.4 0.37 0.2 0.079 0.591EK 60SF 3/4 0.469 0.495 0.234 0.094 0.713
EK Chain No. Pitch P
Roller Dia. R
Roller Link Width W(min.)
Pin Dia. D
Link PlateThickness
THeight
H(max.)EK C2040SF 1 0.312 0.309 0.156 0.059 0.461EK C2050SF 1 1/4 0.4 0.37 0.2 0.079 0.587
EK C2060HSF 1 1/2 0.469 0.495 0.234 0.126 0.669
EK Chain No.
Pin Length Side Roller Average Tensile
Strength kN
Maximum Allowable
Load kN
Approx. Weight lbs./ft.
Staggered Type Crosswise Type O.D. Width
GZ LZ L GP RR HR
EK C2040SF 1.028 1.075 1.449 1.409 0.625 0.307 19.1 3.6 0.9EK C2050SF 1.252 1.311 1.748 1.697 0.75 0.37 31.3 6.3 1.331
EK C2060HSF 1.732 1.803 2.386 2.323 0.875 0.496 44.1 8.8 2.151
EK Chain No.
Pin Length Side Roller Average Tensile
Strength kN
Maximum Allowable
Load kN
Approx. Weight lbs./ft.
Staggered Type Crosswise Type O.D. Width
GZ LZ L GP RR HR
EK 40SF 1.028 1.075 0.697 1.409 0.625 0.307 19.1 3.63 1.095EK 50SF 1.252 1.311 0.886 1.697 0.75 0.37 31.3 6.3 1.64EK 60SF 1.606 1.677 1.098 2.197 0.875 0.496 44.1 8.8 2.459
19
Free Flow Chain
Double Pitch Type
Top Roller Series
NOTE:1) Carbon steel and plastic roller is available.2) Weight shown is based on the chain having top roller every link.
NOTE:1) Carbon steel and plastic roller is available.2) Cotter pin type connecting link is furnished for EK80 and larger.3) Weight shown is based on the chain with top rollers on pin links.4) Specify whether top roller is on pin link or roller link when ordering.
Standard Roller Type Large Roller Type
Pin Link Type Roller Link Type
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EK Chain No.
Pitch P
Roller Dia. R
Roller Link Width
W(min.)
Pin Dia. D
Pin Length Link PlateAverage Tensile Strength (kN)
Maximum Allowable Load (kN)L1 G Thickness
THeight
H(max.)EK 40TF 1/2 0.312 0.309 0.156 0.368 0.642 0.059 0.472 19.1 3.6EK 50TF 5/8 0.4 0.37 0.2 0.447 0.807 0.079 0.591 31.4 6.4EK 60TF 3/4 0.469 0.495 0.234 0.555 1.018 0.094 0.713 44.1 8.8EK 80TF 1 0.625 0.62 0.312 0.726 1.28 0.126 0.949 78.5 14.7EK 100TF 1 1/4 0.75 0.744 0.375 0.874 1.587 0.157 1.185 117.7 22.6
EK Chain No.Pitch
P
Roller Link Width
W(min.)
Roller DiameterPin Dia.
D
Pin Length
Standard Roller Large RollerStandard
Roller R
Large Roller RR L1 G
EK C2040TF EK C2042TF 1 0.309 0.312 0.625 0.156 0.376 0.642EK C2050TF EK C2052TF 1 1/4 0.37 0.4 0.75 0.2 0.463 0.807
EK C2060HTF EK C2062HTF 1 1/2 0.495 0.469 0.875 0.234 0.663 1.154EK C2080HTF EK C2082HTF 2 0.62 0.625 1.125 0.312 0.791 1.409EK C2100HTF EK C2102HTF 2 1/2 0.744 0.75 1.562 0.375 0.939 1.713
EK Chain No. Link Plate Average Tensile
Strength kN
Maximum Allowable
Load kN
Attachment Approx. Weight
Standard Roller Large Roller Thickness T
Height H(max.) A1 F1
Standard Roller lbs./ft.
Large Roller lbs./ft.
EK C2040TF EK C2042TF 0.059 0.461 19.1 3.6 0.591 0.827 0.894 1.136EK C2050TF EK C2052TF 0.079 0.587 31.3 6.3 0.748 1.043 1.371 1.68
EK C2060HTF EK C2062HTF 0.126 0.669 44.1 8.8 0.906 1.244 2.473 2.93EK C2080HTF EK C2082HTF 0.157 0.906 78.4 14.7 1.142 1.594 3.797 4.543EK C2100HTF EK C2102HTF 0.189 1.134 117.6 22.5 1.394 1.957 6.122 7.64
EK Chain No. Attachment Approx. Weight
lbs./ft.RR A1 F1 B L1 L2 GEK 40TF 0.625 0.5 0.687 0.374 0.376 0.697 0.524 1.008EK 50TF 0.75 0.626 0.876 0.5 0.463 0.874 0.65 1.478EK 60TF 0.875 0.72 1.033 0.626 0.591 1.098 0.827 2.218EK 80TF 1.125 0.969 1.344 0.752 0.726 1.366 1.028 3.629EK 100TF 1.562 1.248 1.748 1 0.874 1.667 1.272 6.115
20
NOTE:1) EK5 and smaller is furnished with cotter pins as standard. Rivet type is also available. EK7 and larger is furnished with cotter pins. 2) EK3 uses the prong type cotter pin, and EK5 and larger use T type cotter pin. 3) * Denotes dimensions of stainless steel chain. 4) EK3 chain is also available with different dimensions shown in parenthesis. The chain number with that dimension is EKT 3.
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R Type F Type
Center of Sprocket
Center of Chain
Standard Conveyor Chain
EK Chain No. Average Tensile Strength kN{kgf}Pitch
P
Roller Dimensions
Chain Size Roller Type Standard High Strength Stainless
R Type F Type
RR E RR F E e ZEK 3- 75
R/F/S 1.158{118.11}
2.393{244.094}
1.158{118.11}
2.953 1.181
{1.252} 0.61 1.181{1.252}
1.496{1.654} 0.472 0.079
{0.071}0.157
{0.169}EK 3-100 3.937EK 3-125 4.921EK 3-150 5.906EK 5- 75
R/F/S 2.704{275.591}
5.443{555.118}
2.704{275.591}
2.953
1.575 0.748 1.575 1.969 0.551 0.098 0.177EK 5-100 3.937EK 5-125 4.921EK 5-150 5.906EK 7-100
R/F/S 3.319{338.583}
6.762{688.976}
2.896{295.276}
3.937
1.772 0.846 1.772 2.362 0.63 0.118 0.197EK 7-125 4.921EK 7-150 5.906EK 7-175 6.890EK 7-200 7.874EK 10-100
R/F/S/M 4.439{452.756}
8.878{905.512}
4.054{413.386}
3.937
1.969 1.043 1.969 2.559 0.787 0.138 0.256EK 10-125 4.921EK 10-150 5.906EK 10-200 7.874EK 12-200
R/F/S/M 7.333{748.031}
10.923{1114.173}
5.212{531.496}
7.8742.559 1.26 2.559 3.346 0.945 0.157 0.315
EK 12-250 9.843EK 17-200
R/F/S/M 9.650{84.252}
15.439{1574.803}
7.335{748.031}
7.8743.15 1.803 3.15 4.134 1.339 0.197 0.472EK 17-250 9.843
EK 17-300 11.811EK 20-200
R/F/S 8.106{826.772}
17.369{1771.654} -
7.8742.953 1.594 2.953 3.937 1.181 0.197 0.394
EK 20-250 9.843EK 26-250
R/F/S/M 11{1122.047}
20.843{2125.984} -
9.8433.937 1.969 3.937 5.118 1.496 0.236 0.512EK 26-300 11.811
EK 26-450 17.717EK 36-250
R/F/S/M 18.72{1909.449}
27.019{2755.906} -
9.843
4.921 2.205 4.921 6.299 1.654 0.276 0.551EK 36-300 11.811EK 36-450 17.717EK 36-600 23.622EK 52-450
R/F/S 21.229{2165.354}
42.458{4330.709} -
17.7175.512 2.559 5.512 7.087 1.929 0.315 0.65
EK 52-600 23.622
EK 3- 04 R/F/S 2.123 {216.535} 3.86{393.701} 1.737 {177.165} 4 1.5 0.736 1.5 1.969 0.512 0.098 0.157
EK 5- 04 R/F/S 3.281 5.211 2.702 4 1.75 0.925 1.75 2.362 0.846 0.091 0.335EK 5- 06 R/F/S/M {334.646} {531.496} {275.591} 6 2 1.043 2 2.559 0.787 0.118 0.276EK 9- 04 R/F/S/M 5.423 {551.181} 10.807 {1102.362} 4.826 {492.126} 4 1.75 1.083 1.75 2.362 0.768 0.15 0.236EK 12- 06 R/F/S/M 7.333 {748.031} 10.923 {1102.362} 5.212 {531.496} 6 2.252 1.24 2.252 2.953 0.984 0.138 0.354EK 17- 06 R/F/S/M 8.106 {826.772} 15.439 {1574.803} 7.335 {748.031} 6 2.752 1.24 2.752 3.543 0.925 0.15 0.315
Met
ric S
erie
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ch S
erie
s
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S and M Type
■Chain Number Identification
EK 5-100 R □ - 2P A2
Chain Size
Blank: Standard H: High Strength SUS: Stainless Steel
Attachment Spacing
Type of Attachment
Roller Type
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Chain Size
Roller Dimensions Roller Link
Width W
Link Plate Pin Approx. Weight (lbs./ft.)
S Type R
M Type R
Height H
Thickness T
Dia. D L L1 L2 R Type F Type S Type M Type
EK 3- 750.75
(0.626) - 0.709(0.634) 0.866 0.126
*<0.118> 0.313 1.496(1.433)
0.709(0.673)
0.787(0.76)
1.68 1.814 1.344
-EK 3-100 1.478 1.546 1.21EK 3-125 1.344 1.411 1.075EK 3-150 1.277 1.344 0.941EK 5- 75
0.874 - 0.874 1.26 0.177 0.437 2.008 0.945 1.063
3.763 3.897 3.629
-EK 5-100 3.36 3.494 3.225EK 5-125 3.024 3.158 2.889EK 5-150 2.755 2.889 2.621EK 7-100
1.063 - 0.984 1.26 0.236 0.5 2.421 1.142 1.28
4.569 4.838 4.032
-EK 7-125 4.099 4.368 3.696EK 7-150 3.696 3.897 3.36EK 7-175 3.36 3.629 3.024EK 7-200 3.024 3.293 2.688EK 10-100
1.181 1.252 1.181 1.496 0.248*<0.236> 0.563 2.677 1.26 1.417
6.72 6.854 6.317 6.585EK 10-125 5.846 5.981 5.443 5.712EK 10-150 5.04 5.174 4.637 4.838EK 10-200 4.368 4.502 3.965 4.166EK 12-200
1.375 1.5 1.437 1.772 0.311*<0.315> 0.625 3.366 1.555 1.811
7.795 8.198 5.645 5.846EK 12-250 6.988 7.324 5.241 5.376EK 17-200
1.606 1.752 2 2 0.374*<0.354> 0.75 4.35 2.008 2.343
13.238 13.91 8.064 8.736EK 17-250 11.558 12.23 7.459 28.198EK 17-300 10.617 11.155 7.056 7.728EK 20-200
- - 1.772 2 0.374 0.813 4.055 1.87 2.18511.289 11.961 - -
EK 20-250 9.945 10.55 - -EK 26-250
1.75 2 2.228 2.5 0.374 0.875 4.567 2.126 2.44117.606 18.681 9.878 10.752
EK 26-300 15.724 16.598 9.273 10.08EK 26-450 12.566 13.171 8.332 9.744EK 36-250
2 2.252 2.598 3 0.5 1 5.551 2.579 2.972
30.709 31.986 16.127 16.799EK 36-300 27.148 28.223 15.388 16.127EK 36-450 21.369 22.377 13.574 14.111EK 36-600 18.681 19.487 12.767 13.439EK 52-450
2.248 - 2.992 3.543 0.63 1.26 6.654 3.11 3.54330.776 32.255 17.606
-EK 52-600 26.744 28.088 16.262EK 3- 04 0.791 - 0.874 1 0.189 *<0.177> 0.375 2.008 0.945 1.063 2.889 3.158 2.016 -EK 5- 04 0.874 - 1.063 1.126 0.248 0.437 2.48 1.181 1.299 4.502 4.637 3.091 -EK 5- 06 1.016 1.25 1.181 1.496 0.248 *<0.236> 0.437 2.598 1.24 1.358 5.241 5.443 3.36 -EK 9- 04 1.25 1.374 1.22 1.496 0.311 *<0.315> 0.625 3.091 1.457 1.634 6.988 7.19 5.846 6.115EK 12- 06 1.375 1.5 1.437 1.772 0.311 *<0.315> 0.625 3.386 1.575 1.811 8.131 8.332 6.249 6.451EK 17- 06 1.578 1.748 1.437 2 0.374 *<0.354> 0.75 3.701 1.713 1.988 11.491 11.827 8.467 8.736
22
NOTE:1) EK5 and smaller is furnished with cotter pins as standard. Rivet type is also available. EK7 and larger is furnished with cottered pins. 2) EK3 uses the prong type cottered pin, and EK5 and larger use T type cottered pin.3) EK3 chain is also available with different dimensions shown in parenthesis. The chain number with that dimension is EKT3.
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A2 Attachment K2 Attachment
SA2 Attachment SK2 Attachment
Standard Conveyor Chain Attachment
Chain No. PitchLink Plate
ThicknessA2 Attachment K2 Attachment SA2 & SK2 Attachment
Additional Weightlbs./pc.
Chain Size Roller Type P T B O S A H1 F 2A 2F A1 F1 Q1 Q2 A2 K2EK 3- 75 R/F/S 2.953
0.126
2.362 (2.165)
0.394
1.378 (1.181)
1.181 0.591 (0.787) 1.811 2.362 3.622 1.181 1.654 0.622 0.48
0.11 0.22EK 3- 100 R/F/S 3.937 2.559 1.575 0.132 0.265EK 3- 125 R/F/S 4.921 2.953 1.969 0.132 0.265EK 3- 150 R/F/S 5.906 3.346 2.362 0.154 0.309EK 5- 75 R/F/S 2.953
0.177
2.283
0.394
1.378
1.378 0.866 2.224 2.756 4.449 1.575 2.126 0.807 0.614
0.154 0.309EK 5- 100 R/F/S 3.937 2.559 1.575 0.176 0.353EK 5- 125 R/F/S 4.921 2.953 1.969 0.198 0.397EK 5- 150 R/F/S 5.906 3.346 2.362 0.22 0.441EK 7-100 R/F/S 3.937
0.236
2.756
0.472
1.575
1.575 0.984 2.48 3.15 4.961 1.772 2.283 0.98 0.728
0.441 0.882EK 7-125 R/F/S 4.921 3.15 1.969 0.485 0.97EK 7-150 R/F/S 5.906 3.543 2.362 0.551 1.102EK 7-175 R/F/S 6.890 3.937 2.756 0.617 1.235EK 10-100 R/F/S/M 3.937
0.248
2.756
0.472
1.575
1.969 1.102 2.913 3.937 5.827 1.969 2.717 1.106 0.839
0.397 0.794EK 10-125 R/F/S/M 4.921 3.15 1.969 0.507 1.014EK 10-150 R/F/S/M 5.906 3.543 2.362 0.617 1.235EK 10-200 R/F/S/M 7.874 4.724 3.150 0.816 1.631EK 12-200 R/F/S/M 7.874
0.3114.724
0.5913.15
2.362 1.496 3.346 4.724 6.693 2.362 3.248 1.366 1.0310.926 1.852
EK 12-250 R/F/S/M 9.843 6.496 4.921 1.279 2.557EK 17-200 R/F/S/M 7.874
0.3744.724
0.5913.15
2.953 1.772 4.252 5.906 8.504 2.756 3.961 1.78 1.3741.764 3.527
EK 17-250 R/F/S/M 9.843 6.496 4.921 2.447 4.894EK 26-250 R/F/S/M 9.843 0.374 6.496 0.591 4.921 3.15 2.165 4.39 6.299 8.78 3.15 4.382 1.894 1.488 2.579 5.159EK 3- 04 R/F/S 4 0.189 2.756 0.433 1.575 1.575 0.866 2.323 3.15 4.646 1.575 2.177 0.827 0.626 0.331 0.661EK 5- 04 R/F/S 4 0.248 2.756 0.433 1.575 1.969 1.102 2.913 3.937 5.827 1.969 2.783 1.043 0.78 0.441 0.882EK 5- 06 R/F/S/M 6 0.248 3.543 0.433 2.362 1.969 1.26 2.835 3.937 5.669 1.969 2.795 1.106 0.839 0.551 1.102EK 9- 04 R/F/S/M 4 0.311 3.15 0.591 1.575 2.165 1.378 3.307 4.331 6.614 2.362 3.189 1.252 0.921 0.661 1.323EK 12- 06 R/F/S/M 6 0.311 3.937 0.591 2.362 2.362 1.496 3.346 4.724 6.693 2.362 3.248 1.366 1.031 0.882 1.764EK 17- 06 R/F/S/M 6 0.374 3.937 0.591 2.362 2.559 1.772 3.72 5.118 7.441 2.756 3.724 1.496 1.094 1.213 2.425
Side Bow Chains
23
NOTE:1) Heavy link plate for EK C2060SB (3.2mm) and EKC2080SB (4.0mm) is available.2) The chain offers attachments.3) Nickel plated and stainless steel chain is available.
NOTE:1) * Denotes bushing chain. Dimension shown is bushing diameter.2) EK side bow chain offers attachments.3) Nickel plated and stainless steel chain is available.
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Double Pitch Side Bow Chains
EK Chain No.
Pitch P
Roller Dia. R
Roller Link Width
W(min.)
Pin Dia. D
Pin Length Link PlateMinimum
Radius r
Average Tensile
Strength kN
Approx. Weightlbs./ft.L1 G Thickness
THeight
H(max.)
EK C2040SB 1 0.312 0.309 0.136 0.382 0.654 0.059 0.461 26.575 10.7 0.336EK C2050SB 1 1/4 0.4 0.37 0.172 0.476 0.803 0.079 0.587 29.921 20.5 0.558EK C2060SB 1 1/2 0.469 0.495 0.2 0.606 1.016 0.094 0.669 41.929 27.4 0.806EK C2080SB 2 0.625 0.62 0.281 0.744 1.315 0.126 0.906 68.504 55.8 1.404
EK Chain No.
Pitch P
Roller Dia. R
Roller Link Width
W(min.)
Pin Dia. D
Pin Length Link PlateMinimum
Radius r
Average Tensile Strength
kN
Approx. Weight
lbs.L1 G Thickness T
Height H(max.)
EK 35SB 3/8 *0.2 0.184 0.125 0.299 0.469 0.05 0.354 10 8 0.208EK 40SB 1/2 0.312 0.309 0.136 0.417 0.654 0.059 0.472 13.189 10.7 0.417EK 50SB 5/8 0.4 0.37 0.172 0.469 0.803 0.079 0.591 15.945 20.5 0.679EK 60SB 3/4 0.469 0.495 0.2 0.61 1.016 0.094 0.713 19.685 27.4 0.968EK 80SB 1 0.625 0.62 0.281 0.780 1.315 0.126 0.949 36.024 55.8 1.707
24
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● Spring Clip Type (SPJ)SPJ type is for EK60 and smaller. The cover plate is designed for a slip fit on the pins. It is easily held in place by a spring clip, split at one end to allow installation in grooves at the end of each pin.
● Spring Clip Type (SKJ)SKJ type is designed for O-Ring / QX-Ring sealed chains. The cover plate is semi-press fit, resulting in a higher fatigue strength.
● Cotter Pin Type (SCJ, DCJ)SCJ and DCJ type is for EK80 and larger. SCJ is of the single pin type and DCJ is of the two pins type. The cover plate is either slip fit or press fit on the pins. Press fit type is recommended for heavy duty applications.
● Offset Link (OFJ, 2LO)Offset links are used for the chain having odd pitches. Single-pitch (OFJ) and two-pitch (2LO) type are available. The single-pitch type is furnished with slip fit pin unassembled. The flat on one end of the pin prevents it from turning in the plate. The two-pitch type consists of an offset link and a roller link assembled together. The pin is press fit in the offset link plates and riveted, resulting in a longer durability. Using of offset links may lower the fatigue strength.
SPJ (SKJ)
SCJ
DCJ
OFJ
2LO
Roller Chain Connecting Links
WarningComply with the following to avoid serious personal injury and critical accident.
Chain Moving Direction
For more detailed information, contact our local distributors or our headquarters.
1. Pla�ng, welding or annealing may reduce strength and cause breakage, and should not be processed.
2. Do not reuse disassembled components (pins, bushings, and link plates) for reworking, causing reduc�on of strength.
3. Never use acid, alkali or general rust-removal solvents to clean a chain. It may cause hydrogen embri�lement.
4. Never use gasoline or other flammable solvents for chain cleaning. A fire may result.
5. Damaged chain may be yielded, and therefore should not be reworked. A new chain and sprockets should be replaced.
6. When in use of hoist applica�on, take safety measures to keep out the hois�ng opera�on area.
7. When connec�ng or disconnec�ng chain, always use safety glasses for your eyes protec�on and wear protec�ve clothing, gloves, and safety shoes as appropriate.
8. Always lock out equipment power switch before installing, removing, lubrica�ng or servicing chains and sprockets.
9. Provide safeguard on all chains and sprockets installa�ons.
10. Use of appropriate tools are recommended when connec�ng and disconnec�ng chain.
11. Do not a�empt to connect or disconnect chain unless the chain construc�on is well understood.
12. Pin/rivet removal or inser�on must be done in correct direc�on.
13. Chain and sprocket selec�on should be made in accordance with our engineering selec�on guide.
14. The connec�ng link should be a�ached as illustrated below.
Note the chain direc�on:
15. Regular maintenance is required for all chain drives.
16. Observe the local occupa�onal safety regula�ons.
Enuma Chain Mgs. - EK is a leading manufacturer of high performance roller chains, located in Japan since 1941. EK produces a wide range of ANSI and British Standard roller chains along with standard and special attachments for industrial power transmission and conveyor applications.
EK’s stainless steel roller chains have been a mainstay in the US food, beverage, and packaging industries since 1970’s with application speci�c features, such as 300 series, 600 series, stainless steel chains.
As the world’s �rst O-ring sealed chain innovator (1974), one of EK’s signature products is stainless steel sealed chain for any application where lubrication is prohibited or in a corrosive environment, such as wet, dusty and abrasive applications. EK has been an approved supplier of leaf chains to the worldwide lift truck industry including Toyota and Mitsubishi, among others. The EK brand is well known in motorcycle racing, supplying major manufacturers, such as Kawasaki.
EK’s world class technologies provide best performance for the most severe applications. EK’s full design capabilities, allows them to continuously develop higher performance chain for the next generation of applications to meet the strict requirements for environmental friendly applications, food safety, production e�ciency, and reduced down-time.
The World Class Technologies, Made in Japan
ANSI & Bri�sh Standard Roller Chains
A�achment Chains
Specialty Chains
ANSI 25 - 24050H - 160HA2040 - A2080C2040 - C2120HC2042 - C2122HBS 05B - 24B
ANSI 25 - 160BS 06B - 24BC2040 - C2120HC2042 - C2122HSteel, NP and SS series
Top roller high speed conveyor chainsSide roller high speed conveyor chainsSide bow chainsHollow pin chainsSide bow chain and hollow pin chainare available in steel, NP and SS series
Environment Resistant Roller Chains
Sealed O-ring / QX-ring Chains
Leaf Chains
Stainless steel chains300/600 seriesPlated chainsNP/ZS/ZC seriesAvailable in ANSI single/double pitchchains and BS chains
ANSI 35 - 100ANSI 40 - 100 Straight side bar typeC2040 - C2100HBS 08B - 16BAvailable in steel, NP and SS series
AL series 322 - 1666BL series 421 - 1666
Applica�onsEK has been an approved vendor worldwide to major original equipment manufacturers (OEM) in a varietyof industries, including food processing equipment, food and beverage, packaging, elevator and conveyorsystems, agricultural equipment, and the lift truck industry to name a few.
Since 1970’s in the U.S. market, EK’s specialty chains have been developed for speci�c OEM requirements andare now available for plant maintenance operations as well.
Packaging, Conveyor, Factory Automation Agricultural, Lift Trucks
Food Bacteria
Water Wash Chemical Salt Abrasive Dust Freeze Heat
Applica�on specific special chain examples
Environment resistant chainsEK is the original innovator of O-Ring and Quad X-Ring Chain. We are the world’s leader in developing solutions for speci�c environmental requirements, so as to improve corrosion resistance and premature elongation.
Capacitor chain
EK35JAPAN
EK35JAPAN
Can seamer chain Gripper chain Tortilla chain
Sticker chain Ice cream chain Wire mesh chain Side roller chain
Food and Beverage
S
Enuma Chain Mfg. Co., Ltd.
Inventor of O-Ring Chain since 1974
Enuma Chain Mfg. - EK was founded in 1941 as a global roller chain manufacturer, located in Kaga, Japan.In 1974 EK introduced the world’s �rst sealed O-ring chain. Back in 1970’s, EK started supplying theU.S. market through Daido Corporation, primarily stainless steel and nickel plated specialty chainsfor the food and packaging industries.
In 1980’s, EK expanded with a full range of ANSI and British Standard roller chains including conveyor roller chains in carbon steel, stainless steel and a variety of plated variations that include standard and special attachments for a wide range of industries. In 1997 EK was certi�ed ISO 9001 Quality Management Standards.
Company name ENUMA CHAIN MFG. CO., LTD.
Representative Ryukichi Sato, President
Founded March 31, 1941
Location 300, Kamikawasaki-machi, Kaga-shi, Ishikawa, 922-8678 Japan
Visit our website for strategic warehouse locations.
EK - Donghua USA115 W. Lake DriveGlendale Heights, IL 60139
Phone: (630) 682-3078
Email: [email protected]
URL: www.ekchains.com
@
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