Lovejoy - Disc Coupling

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Disc Couplings

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Disc Couplings General Overview

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Lovejoy brings to market the best disc coupling yet to be offered. This disc coupling joins the wide range of Lovejoy couplings that are already in use through-out the world. Lovejoy has teamed up with its partner, Jaure of Zizurki, Spain to offer the disc coupling in several variations to cover all the industrial require-ments for these low maintenance, long life couplings. The Lovejoy/Jaure disc coupling utilizes the latest design efforts through Finite Element Analysis, exten-sive testing of materials and couplings, and several years of operational experience in actual applications. The Lovejoy/Jaure disc coupling is manufactured in the ISO 9001 certified manufacturing facilities of both companies.

The improvements in this coupling come from modifying the disc profile by using the latest Finite Element Analysis. As a result of the development work, the Lovejoy/Jaure disc coupling 6 bolt type can operate at 1.5° misalignment (see graphs on following pages). The coupling can do so up to 50% torque capability. The coupling imposes smaller forces on the bearings for a given misalignment and transmits more torque than other competitive couplings.

Types of couplings include the three piece industrial spacer unit used for general industrial applications and on OEM equipment. The 5-piece drop-out couplingis specially suited for refinery and API type applications. The close coupled units fit in place of standard gear couplings. The SXGS reduced moment type andthe DIR drop out type can replace gear coupling floating shaft units by matching up to the existing gear coupling rigid hubs mounted on the driver and driven equipment. Variations to these can also be made as shown on the back pages of this catalog.

Advantages of the Lovejoy/Jaure disc coupling� No need for lubrication and maintlenance.� The coupling can be inspected without disassembly. Additionally, the condition of the discs can be checked while the machine is running, using a strobe

light.*� The machine misalignment can be assessed.� Torsionally rigid without any backlash.� No wearing parts, high resistance to harsh environmental conditions.� Infinite life if properly aligned.� If misalignment is kept within specified limits, these couplings can last as long as the machines on which they are installed.� High power density (more torque for a given overall diameter).

It should be noted that disc couplings will impose high axial forces on the thrust bearings if the machines are not properly spaced. The piloting of the disc packto the hub is a key factor especially for high speed applications.

The Lovejoy/Jaure disc coupling uses fitted bolts as pilots, but for high speed applications has also found a straight-forward method of piloting the disc packsto their hubs (see below). By machining rabbets in the washers that are used to unitize the disc pack,** it ensures the repeatability of residual unbalance standards, as mandated by API 671.

Disc piloting

*It is not recommended that the coupling beoperated without a guard.

**Patent Pending.

Note: Specifications are subject to change without notice, and without liability therefore.

Disc CouplingsThe angular misalignment between shafts can vary from 0 to 2 times α as per the figure shown:

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General Overview

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The discs of the Lovejoy/Jaure couplings are made of high-grade stainless steel (AISI-301), ensuring not only a high strength and high endurance to fatigue,but also the resistance to most environmental conditions. Furthermore, discs can be covered with a low friction coefficient coating to improve the resistance tofretting wear.

The coupling utilizes unitized disc packs with 6, 8 and 10 bolts. The greater the number of bolts, the higher the torque that can be transmitted, but the coupling can accommodate less misalignment.

The disc couplings can be fitted with overload bushings which serve as an anti-flail device.

The Lovejoy/Jaure couplings are offered in a variety of configurations to fit most applications. In addition, our engineering department can customize a coupling to special requirements: close-cropped, drop-out, electrically insulated, vertical mounting, safety couplings, etc. A notable design is our Lovejoy/Jaurereduced moment coupling, that not only has the anti-flail device mandated by API 610, but offers a low weight and a short center of gravity to bearing distance.

The design and manufacture of the disc coupling is integrated into a certified Quality System according to ISO 9001 to fulfill the high quality requirements ofLovejoy/Jaure disc couplings.

offset

offset

2x2

= represents the angularmisalignment per disc-pack.

(for Lamidisc-6 under 202) = 1.5°

(for Lamidisc-8) = 0.5° (for Lamidisc-10) = 0.4°

α°

α°

α°

α°

αα

α

ααα

°αα

Different disc profiles

Disc Couplings Selection Data

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Tube and welding machines 2.0Winding machines 1.5Wire drawing benches 1.5RUBBER INDUSTRYExtruder 1.75Calender 2.0Mixing mill / Refiner / Crusher 2.5STEEL PLANTSBlast furnace blowers 1.5Converters 2.5Inclined blast furnace elev. 2.0Crushers 2.0TEXTILE MACHINESPrinting and drying machines 1.5Tanning vats 1.5Calenders 1.5Looms 1.5WATER AND WASTE INDUSTRYAerators , Screw pumps , Screens. 1.5WOOD WORKING MACHINERYTrimmers, Barkers , Saws, Planes 2.0

The factors in Table 1 are for general guidance andcan be modified by customers´ specialistknowledge of their own equipment.

Selection procedure1. Select the coupling type.2. Select the driven machine service factor SFA from Table 1.3. Select the driving machine service factor SFD from Table 2.Care should be taken when the driving machine is other than a standard electric motor or turbine. Some engines will impose extra fluctuations on the drivesystem and allowance should be made accordingly. Please refer to Table 2. A torsional coupling may be required for diesel drives.

The two service factors SFA and SFD must be added resulting in the combined service factor SF.

Driven machine service factor SFA Table 1.

Driven equipment SFABLOWERS , FANSCentrifugal 1.0Lobe / Vane / Turboblowers 1.25Forced draught fans 1.5Induc.draught with damper 1.5Induc.draught without control 2.0Cooling towers 2.0CHEMICAL INDUSTRYAgitators (thin liquid) 1.0Agitators (viscous liquid) 1.5Centrifuges (light) 1.25Centrifuges (heavy) 1.75Mixers 1.75COMPRESSORSCentrifugal 1.0Lobe/Rotary 1.25Turbocompressors 1.75Reciprocating:1 to 3 cylinders 3.04 or more cylinders 1.75CONVEYOR, HOISTS, ELEVATORSConveyors:Screw / Apron / Belt / Chain 1.25 Bucket / Rotary / Lifts 1.5Reciprocating 3.0Hoists:Medium duty 2.5Heavy duty 3.0Elevators:Centrifugal and gravity disch. 1.25DREDGERS 2.0FOOD INDUSTRYPackaging machines and fillers. 1.25Kneading machines. 1.5Cane crushers 1.5Cane cutters 1.5Cane mills 2.0Sugar beet cutters 1.5Sugar beet washing machines 1.5GENERATORSEven load 1.0Frequency converters 1.5Welding generators 2.0MACHINE TOOLSMain Drives 2.0Auxiliary and transverse drives 1.5METAL WORKINGPresses / Hammers. 2.0Straighteners. 2.0Bending machines / Shears. 1.5Punching machines 2.0

MARINE APPLICATIONS 2.5MINING AND STONESCrushers 2.5Mills 2.5Mine ventilators 2.0Vibrators 1.5OIL INDUSTRYPipeline pumps 1.5Rotary drilling equipment 2.0PAPER INDUSTRYCalenders 2.0Couches 2.0Drying cylinders 2.25Pulpers 2.0Pulp grinders 2.0Suction rolls 2.0Wet presses 2.0Reels 2.0Agitators 2.0PLASTIC INDUSTRYCalenders, Crushers , Mixers. 1.75PUMPSCentrifugal,General Feed or Boiler Feed 1.0Centrifugal , Slurry 1.5Centrifugal , Dredge 2.0Rotary / Gear / Lobe or Vane 1.5Reciprocating :1 cylinder 3.02 cylinder , single acting 2.02 cylinders , double acting 1.753 cylinders or more 1.5ROLLING MILLSBillet shears 2.5Chain transfers 1.5Cold rolling mills 2.0Continuous casting plants 2.5Cooling beds 1.5Cropping shears 2.0Cross transfers 1.5Descaling machines 2.0Heavy and medium duty mills 3.0Ingot and blooming mills 2.5Ingot handling machinery 2.5Ingot pushers 2.5Manipulators 2.0Plate shears 2.0Roller adjustment drives 1.5Roller straighteners 1.5Roller tables (heavy) 2.5Roller tables (light) 1.5Sheet mills 2.5Trimming shears 1.5

Driving equipment SFDMulti-cylinder engine

8 or more 0.56 1.04 or 5 1.5Less than 4 Refer to Lovejoy

Variable speed motors 0.8Electric motors1 and turbines 0

Driving machine service factor SFD Table 2.

1Except variable speed motors

Please consult our Application EngineeringDepartment if axial excitations are foreseeableeither on the driving or driven side.

SF = SFA + SFD

Disc Couplings

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Selection Data

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4. Calculate the minimum torque rating as per,

5. The coupling to be selected must have an equal or greater rated torque capacity than the torque calculated in step 4. Check the peak or starting torquecapacity of the selected coupling. For systems which frequently utilize the peak torque capability of the power source, verify that the magnitude of the peaktorque does not exceed twice the rated nominal torque of the coupling selected.

6 Check if existing or predicted axial, angular and offset misalignments are within permissible values as shown in the catalog. The permissible axialmisalignment and torque depend on the angular misalignment as per shown below. (Angular misalignment is given for a disc pack. Axial misalignment ismeasured for a complete coupling with two disc packs.)

The listed values represent the total permissible misalignment which may occur during operation. Consult the appropriate operating instructions for allowableshaft misalignments when installing the coupling.

The permissible offset or radial misalignment is given by:

∆KR = tan ∆KW x L, where L is the distance between the discs.

7. Check the maximum hub bores, speed and if the shaft to hub assembly will transmit the torque. If the speed exceeds 3000 r.p.m., consult ourApplication Engineering Department.

8. Check if balancing is needed.

HP x 63025 x SFn (rpm)

0.3°°

Max.

8 Bolts10 Bolts10 Bolts

50%

Axial Displacement

6 Bolts (under 202)( )

0.4°0.5°°

1°

1.5°

Ang

ular

mis

alig

nmen

t

6 Bolts (above 202)( )

0.6°

0.3°°

Max.

8 Bolts10 Bolts

50% of max.

Rated TorqueTorqueT

0.4°0.5°°

1°

1.5° 6 Bolts (under 202)( )( )

6 Bolts (above 202)( )

0.6°

Angular and Radial MisalignmentAngular and Radial Misalignment Axial MisalignmentAxial Misalignment

L

Kw

Kr

Kr S- ∆Ka

S+ ∆Ka

Torque (in-lbs.) =

Disc Couplings Selection Data

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Example of selectionSelect a spacer coupling to connect a standard electric motor rated at 350 HP running at 1150 r.p.m. to a centrifugal pump rated at 308 HP. The shafts are 3”and 2-3/4” respectively.

1. Coupling type SX

2. Service factor

a) Centrifugal pump 1.0b) Electricmotor 0.0TOTAL 1.0

3. Required minimum torque rating

The coupling selected is SX size 185-6 with a nominal torque of 29,205 in.-lbs., peak torque of 58,410, ∆Ka = ± 0.145 in. and ∆Kw = 1.5 º.

4. Check peak torque (Coupling peak torque is 29,205 in. lbs. x 2 =58,410 in. lbs.)5. Check expected misalignment .6. Check maximum bores: SX 185-6 has a maximum bore of 3.13 inches, therefore this dimension is larger than the existing bores. The speed check shows

it to be less than allowable speed (1150 .rp.m < 6850 r.p.m).

How to specify a Lovejoy/Jaure couplingThe following data has to be given Lovejoy/Jaure in order to verify that a proper selection has been made.

� Application and type of duty.� Type of prime mover, power and speed.� Shaft types and sizes, keyway dimensions, hub length.� Expected misalignments.� Type of driven equipment.� Coupling type, size and distance between shaft ends (DBSE).� Space limitations.� Special requirements (vertical mounting, spark free, API 610 or 671, etc).

Torque = 308 x 63025 x 1.0 = 16,880 in.-lbs.1150

Disc Couplings

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Selection Data

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1) For the availability of a size within a coupling type refer to the specific type on the following pages.

2) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissiblemisalignment.

3) Torsional stiffness is given for one disc pack. This should be combined with hubs spacers, etc. as calculated from AGMA 9004-A99.

NOM. NOM. PEAK PEAK AXIAL2 AXIAL2 Torsional3 Torsional3 AngularCplg. TORQ. TORQ. TORQ. TORQ. Misalig. Misalig. Stiffness Stiffness Misalign.Size HP/100 RPM kW/100 RPM in-lbs Nm in-lbs Nm ±∆Ka ±∆Ka x 106 x 106 Max

x 103 x 103 x 103 x 103 inch mm in.-lbs./rad Nm./rad deg.90-6 3.4 2.6 2.1 0.2 4.2 0.5 0.059 1.5 2.4 .3110-6 8.1 6.0 5.1 0.6 10.2 1.2 0.083 2.1 3.4 0.4132-6 15.4 11.5 9.7 1.1 19.5 2.2 0.102 2.6 4.4 0.5 1.5°158-6 28.1 21.0 17.7 2.0 35.4 4.0 0.122 3.1 5.8 0.7185-6 46.3 34.5 29.2 3.3 58.4 6.6 0.146 3.7 11.5 1.3202-6 64.6 48.2 40.7 4.6 81.4 9.2 0.150 3.8 13.3 1.5228-6 98.3 73.3 62.0 7.0 123.9 14.0 0.165 4.2 23 2.6255-6 143.2 106.8 90.3 10.2 180.6 20.4 0.185 4.7 41 4.7278-6 199.4 148.8 125.7 14.2 251.4 28.4 0.205 5.2 63 7.1302-6 280.9 209.6 177.0 20.0 354.0 40.0 0.224 5.7 84 9.5325-6 351.1 261.9 221.3 25.0 442.6 50.0 0.256 6.5 115 13 1°345-6 435.4 324.8 274.4 31.0 549 62.0 0.272 6.9 150 17380-6 594 443.1 374.4 42.3 749 84.6 0.299 7.6 195 22410-6 802 598 505 57.1 1,011 114.2 0.323 8.2 248 28440-6 1,032 770 651 73.5 1,301 147.0 0.346 8.8 310 35475-6 1,292 964 814 92.0 1,629 184.0 0.374 9.5 372 42505-6 1,643 1,226 1,036 117.0 2,071 234.0 0.398 10.1 443 50278-8 280.9 209.6 177.0 20.0 354.0 40.0 0.146 3.70 84 9.5302-8 421.3 314.3 265.5 30.0 531 60.0 0.157 4.00 132 14.9325-8 520 387.6 327.5 37.0 655 74.0 0.169 4.30 181 20.4345-8 646 481.9 407.1 46.0 814 92.0 0.181 4.60 221 25380-8 885 660 558 63.0 1,115 126.0 0.197 5.00 301 34410-8 1,208 901 761 86.0 1,522 172.0 0.213 5.40 354 40440-8 1,545 1,152 974 110.0 1,947 220.0 0.228 5.80 434 49475-8 1,938 1,446 1,221 138.0 2,443 276.0 0.248 6.30 531 60505-8 2,458 1,833 1,549 175.0 3,098 350.0 0.264 6.70 646 73 .5°540-8 3,090 2,305 1,947 220.0 3,894 440.0 0.283 7.20 788 89570-8 3,637 2,713 2,292 259.0 4,585 518 0.299 7.60 912 103605-8 4,424 3,300 2,788 315.0 5,576 630 0.307 7.80 1089 123635-8 5,379 4,013 3,390 383.0 6,780 766 0.323 8.20 1248 141675-8 6,376 4,756 4,018 454.0 8,037 908 0.331 8.40 1496 169700-8 7,415 5,532 4,673 528 9,347 1056 0.350 8.90 1637 185730-8 8,539 6,370 5,381 608 10,763 1216 0.362 9.20 1859 210760-8 9,831 7,334 6,196 700 12,391 1400 0.378 9.60 2053 232505-10 3,076 2,294 1,938 219.0 3,877 438.0 0.197 5.0540-10 3,848 2,871 2,425 274.0 4,850 548 0.213 5.4570-10 4,536 3,384 2,859 323.0 5,718 646 0.224 5.7605-10 5,533 4,128 3,487 394.0 6,975 788 0.228 5.8 Refer Refer635-10 6,741 5,029 4,248 480.0 8,497 960 0.244 6.2 Factory Factory .4°675-10 8,005 5,972 5,045 570 10,090 1140 0.252 6.4700-10 9,269 6,915 5,842 660 11,683 1320 0.264 6.7730-10 10,673 7,962 6,727 760 13,454 1520 0.276 7.0760-10 12,218 9,115 7,700 870 15,401 1740 0.295 7.5

Performance Data by Coupling Size1

Disc Couplings Overview

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Lovejoy/Jaure Disc Coupling Overview

Industrial Coupling Type SXThis is the standard coupling that includes two rigid hubs, a minimum length spacer andtwo disc packs. The disc packs are bolted to the hubs and spacers at the time of couplinginstallation. The disc packs are unitized. Variations in the spacer length are available. Stockspacers meet industry standard lengths for various equipment. The coupling has two flexplanes (one at each disc pack) so it can accommodate parallel misalignment by the angular misalignment in each disc pack. It is suitable for axial displacement within specified limits. The SX coupling is available with 6, 8, & 10 bolt configuration. Bores up to13 inches (330 mm) can be supplied on the largest sizes.

The SX coupling can be fitted with overload bushings, which protect the disc pack in caseof a torque overload. They also serve as an anti-flail device.

Industrial Coupling Type SUThis variation is the single flex unit with two hubs and one disc pack. It is suitable for angular misalignment only. It is often combined with hollow shafts to make a long lightweight floating shaft coupling.

Industrial Coupling Type SXC, SXCSThis is the close coupled variation of the coupling. It is similar to the SX in that the discpack is attached when the coupling is installed. In the close coupled unit the hubs areinside the spacer, which also makes it a reduced moment coupling. The coupling can beassembled with one or both hubs inserted into the spacer. Note: putting the hub inside thespacer requires a reduced hub diameter which reduces max. bore capability. This type ofLovejoy/Jaure disc coupling with a horizontally split spacer is designated as the SXCS.

Drop Out Coupling Type DI, DILRThe drop out coupling has a factory assembled center section that includes the spacer,two disc packs and two guard rings. The disc packs are bolted to the spacer and guardring at the factory and tightened to the proper torque. The entire package is mountedbetween the shaft hubs at the installation. Unlike the type SX the disc packs do not haveto be attached when the coupling is installed. Disc packs are unitized. The coupling hastwo flex planes (one at each disc pack) so it can accommodate parallel misalignment bythe angular misalignment in each disc pack. It is suitable for axial displacement withinspecified limits. The DI coupling is available with 6 & 8 bolt configuration. Standard hubsand jumbo hubs are available, allowing up to 15.94 inches (400 mm) max. bore on thelargest hub.

Coupling Type SXGS and DIRThese two coupling types are floating shaft couplings that fit in the place of the gear typefloating shaft units. The couplings are designed to match up with the installed rigid gearcoupling hubs that are mounted on the equipment shafts. Although matched by AGMAgear coupling size, the torque, speed and overall diameter should be checked when applying these replacement couplings. The SXGS is a reduced moment configuration andthe DIR is a drop out configuration.

Other types of Lovejoy/Jaure disc couplings are shown on pages 18 and 19 of this catalog.Refer to the Lovejoy/Jaure applications department for special requirements that are notshown in this catalog.

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Cplg. NOM. PEAK MAX1 MAX2 DIMENSIONS (in) AXIAL6

Type TORQ. TORQ. SPEED SPEED Misalig.SU in-lbs in-lbs UNBAL. BAL. MAX BSE ±∆Ka

Size x103 x103 r.p.m. r.p.m. BORE FD D LS Standard PW OAL inchSU 90-6 2.1 4.2 9,100 22,700 1.50 3.54 2.28 1.57 0.295 0.295 3.44 0.059SU 110-6 5.1 10.2 7,200 18,000 1.81 4.33 2.56 1.97 0.331 0.331 4.27 0.083SU 132-6 9.7 19.5 5,840 14,600 2.38 5.20 3.31 2.36 0.331 0.331 5.05 0.102SU 158-6 17.7 35.4 4,920 12,300 2.75 6.22 3.86 2.76 0.441 0.441 5.96 0.122SU 185-6 29.2 58.4 4,200 10,500 3.13 7.28 4.41 3.15 0.551 0.551 6.85 0.146SU 202-6 40.7 81.4 3,840 9,600 3.50 7.95 4.92 3.54 0.610 0.610 7.69 0.150SU 228-6 62.0 123.9 3,400 8,500 3.94 8.98 5.51 3.94 0.689 0.689 8.57 0.165SU 255-6 90.3 180.6 3,080 7,700 4.31 10.04 6.10 4.53 0.807 0.807 9.87 0.185SU 278-6 125.7 251.4 2,800 7,000 4.88 10.95 6.85 4.92 0.835 0.835 10.67 0.205SU 302-6 177.0 354.0 2,560 6,400 5.31 11.89 7.48 5.32 0.961 0.961 11.60 0.224SU 325-6 221.3 442.6 2,400 6,000 5.75 12.80 8.07 5.71 1.024 1.024 12.44 0.256SU 345-6 274.4 549 2,200 5,500 6.06 13.58 8.55 6.10 1.110 1.110 13.31 0.272SU 380-6 374.4 749 2,040 5,100 6.69 14.96 9.37 6.70 1.260 1.260 14.66 0.299SU 410-6 505 1,011 1,880 4,700 7.13 16.14 10.04 7.28 1.307 1.307 15.87 0.323SU 440-6 651 1,301 1,740 4,350 7.69 17.32 10.75 7.68 1.433 1.433 16.79 0.346SU 475-6 814 1,629 1,680 4,200 8.25 18.70 11.62 8.27 1.504 1.504 18.04 0.374SU 505-6 1,036 2,071 1,520 3,800 8.75 19.88 12.20 9.06 1.654 1.654 19.77 0.398

Dimensional DataDisc Couplings

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SU-6, SUO-6 Industrial Single Unit Disc Coupling, 6-bolt

Cplg. NOM. PEAK MAX1 MAX2 DIMENSIONS (mm) AXIAL6

Type TORQ. TORQ. SPEED SPEED Misalig.SU Nm Nm UNBAL. BAL. MAX BSE ±∆Ka

Size x103 x103 r.p.m. r.p.m. BORE FD D LS Standard PW OAL mmSU 90-6 0.2 0.5 9,100 22,700 41 90 58 40 7.5 7.5 88 1.5SU 110-6 0.6 1.2 7,200 18,000 46 110 65 50 8.4 8 108 2.1SU 132-6 1.1 2.2 5,840 14,600 60 132 84 60 8.4 8 128 2.6SU 158-6 2.0 4.0 4,920 12,300 70 158 98 70 11.2 11 151 3.1SU 185-6 3.3 6.6 4,200 10,500 80 185 112 80 14 14 174 3.7SU 202-6 4.6 9.2 3,840 9,600 90 202 125 90 15.5 16 195 3.8SU 228-6 7.0 14.0 3,400 8,500 100 228 140 100 17.5 18 218 4.2SU 255-6 10.2 20.4 3,080 7,700 110 255 155 115 20.5 21 251 4.7SU 278-6 14.2 28.4 2,800 7,000 124 278 174 125 21.2 21 271 5.2SU 302-6 20.0 40.0 2,560 6,400 135 302 190 135 24.4 24 295 5.7SU 325-6 25.0 50.0 2,400 6,000 145 325 206 145 26 26 316 6.5SU 345-6 31.0 62.0 2,200 5,500 155 345 217 155 28.2 28 338 6.9SU 380-6 42.3 84.6 2,040 5,100 170 380 238 170 32 32 372 7.6SU 410-6 57.1 114.2 1,880 4,700 180 410 255 185 33.2 33 403 8.2SU 440-6 73.5 147.0 1,740 4,350 195 440 273 195 36.4 36 427 8.8SU 475-6 92.0 184.0 1,680 4,200 210 475 295 210 38.2 38 458 9.5SU 505-6 117.0 234.0 1,520 3,800 220 505 310 230 42 42 502 10.1

Larger sizes are available on demand.1) Operating speed must be equal or less than permissible speed. Permissible speeds could be limited by the weight and critical speeds of spacers.2) For higher speeds consult Lovejoy.3) The maximum bores shown are for cylindrical or taper shafts with keys. For other type of connections consult Lovejoy.4) Dimension BSE is the distance between shaft ends and is a variable parameter.5) Weight of complete coupling with BSE min. dimension and max. bore.6) The value for axial misalignment is given for a complete 2 Disc pack. Angular misalignment is given per pack. Refer to page 3 for combined permissible

misalignment.

Metric dimensions are rounded to the nearest “mm” except where otherwise shown.

Disc Couplings Dimensional Data

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SX-6, SXO-6 Industrial 3-piece Disc Coupling, 6-bolt


Type TORQ. TORQ. SPEED SPEED Misalig.SX Nm Nm UNBAL. BAL. MAX BSE Weight 5 ±∆Ka

Size x103 x103 r.p.m. r.p.m. BORE FD D LS Standard PW S OAL kg mmSX 90-6 0.2 0.5 9,100 22,700 41 90 58 40 54 4 46 134 2.1 1.5SX 110-6 0.6 1.2 7,200 18,000 46 110 65 50 89 8 72 189 2.9 2.1SX 132-6 1.1 2.2 5,840 14,600 60 132 84 60 108 8 91 228 5.5 2.6SX 158-6 2.0 4.0 4,920 12,300 70 158 98 70 124 11 102 264 8.6 3.1SX 185-6 3.3 6.6 4,200 10,500 80 185 112 80 140 14 112 300 15 3.7SX 202-6 4.6 9.2 3,840 9,600 90 202 125 90 159 16 128 339 21 3.8SX 228-6 7.0 14.0 3,400 8,500 100 228 140 100 175 18 140 375 30 4.2SX 255-6 10.2 20.4 3,080 7,700 110 255 155 115 197 21 156 427 40 4.7SX 278-6 14.2 28.4 2,800 7,000 124 278 174 125 219 21 177 469 57 5.2SX 302-6 20.0 40.0 2,560 6,400 135 302 190 135 235 24 186 505 74 5.7SX 325-6 25.0 50.0 2,400 6,000 145 325 206 145 254 26 202 544 89 6.5SX 345-6 31.0 62.0 2,200 5,500 155 345 217 155 270 28 214 580 109 6.9SX 380-6 42.3 84.6 2,040 5,100 170 380 238 170 297 32 233 637 146 7.6SX 410-6 57.1 114.2 1,880 4,700 180 410 255 185 321 33 254 690 190 8.2SX 440-6 73.5 147.0 1,740 4,350 195 440 273 195 335 36 262 725 224 8.8SX 475-6 92.0 184.0 1,680 4,200 210 475 295 210 359 38 283 779 228 9.5SX 505-6 117.0 234.0 1,520 3,800 220 505 310 230 394 42 310 854 366 10.1


Type TORQ. TORQ. SPEED SPEED Misalig.SX in-lbs in-lbs UNBAL. BAL. MAX BSE Weight 5 ±∆Ka

Size x103 x103 r.p.m. r.p.m. BORE FD D LS Standard PW S OAL lbs inchSX 90-6 2.1 4.2 9,100 22,700 1.50 3.54 2.28 1.57 2.13 0.165 1.80 5.27 5 0.059SX 110-6 5.1 10.2 7,200 18,000 1.81 4.33 2.56 1.97 3.50 0.331 2.84 7.44 6 0.083SX 132-6 9.7 19.5 5,840 14,600 2.38 5.20 3.31 2.36 4.25 0.331 3.59 8.97 12 0.102SX 158-6 17.7 35.4 4,920 12,300 2.75 6.22 3.86 2.76 4.88 0.441 4.00 10.40 19 0.122SX 185-6 29.2 58.4 4,200 10,500 3.13 7.28 4.41 3.15 5.50 0.551 4.40 11.80 33 0.146SX 202-6 40.7 81.4 3,840 9,600 3.50 7.95 4.92 3.54 6.25 0.610 5.03 13.33 46 0.150SX 228-6 62.0 123.9 3,400 8,500 3.94 8.98 5.51 3.94 6.88 0.689 5.50 14.76 66 0.165SX 255-6 90.3 180.6 3,080 7,700 4.31 10.04 6.10 4.53 7.75 0.807 6.14 16.81 88 0.185SX 278-6 125.7 251.4 2,800 7,000 4.88 10.95 6.85 4.92 8.63 0.835 6.96 18.47 125 0.205SX 302-6 177.0 354.0 2,560 6,400 5.31 11.89 7.48 5.32 9.25 0.961 7.33 19.89 163 0.224SX 325-6 221.3 442.6 2,400 6,000 5.75 12.80 8.07 5.71 10.00 1.024 7.95 21.42 196 0.256SX 345-6 274.4 549 2,200 5,500 6.06 13.58 8.55 6.10 10.63 1.110 8.41 22.83 240 0.272SX 380-6 374.4 749 2,040 5,100 6.69 14.96 9.37 6.70 11.68 1.260 9.16 25.08 321 0.299SX 410-6 505 1,011 1,880 4,700 7.13 16.14 10.04 7.28 12.62 1.307 10.01 27.18 418 0.323SX 440-6 651 1,301 1,740 4,350 7.69 17.32 10.75 7.68 13.19 1.433 10.32 28.55 493 0.346SX 475-6 814 1,629 1,680 4,200 8.25 18.70 11.62 8.27 14.13 1.504 11.12 30.67 634 0.374SX 505-6 1,036 2,071 1,520 3,800 8.75 19.88 12.20 9.06 15.50 1.654 12.19 33.62 805 0.398


misalignment.


Disc Couplings

D-11

General Overview

D




Size x103 x103 r.p.m. r.p.m. BORE FD D LS Standard PW S OAL kg mmSX 278-8 20 40 2,800 7,000 124 278 174 125 219 21 177 469 59 3.70SX 302-8 30 60 2,560 6,400 135 302 190 135 235 24 186 505 77 4.00SX 325-8 37 74 2,400 6,000 145 325 205 145 254 26 202 544 92 4.30SX 345-8 46 92 2,200 5,500 155 345 217 155 270 28 214 580 112 4.60SX 380-8 63 126 2,040 5,100 170 380 238 170 297 32 233 637 150 5.00SX 410-8 86 172 1,880 4,700 180 410 255 185 321 33 254 690 195 5.40SX 440-8 110 220 1,740 4,350 195 440 273 195 335 36 262 725 230 5.80SX 475-8 138 276 1,680 4,200 210 475 295 210 359 38 283 779 295 6.30SX 505-8 175 350 1,520 3,800 220 505 310 230 394 42 310 854 374 6.70SX 540-8 220 440 1,440 3,600 235 540 330 240 416 46 324 896 454 7.20SX 570-8 259 518 1,360 3,400 250 570 350 250 451 52 348 951 535 7.60SX 605-8 315 630 1,280 3,200 265 605 370 265 475 53 368 1,005 617 7.80SX 635-8 383 766 1,240 3,100 275 635 385 280 521 61 399 1,081 728 8.20SX 675-8 454 908 1,160 2,900 290 675 410 300 559 65 428 1,159 875 8.40SX 700-8 528 1,056 1,120 2,800 300 700 420 315 595 69 458 1,225 1,021 8.90SX 730-8 608 1,216 1,080 2,700 315 730 440 330 613 71 471 1,273 1,130 9.20SX 760-8 700 1,400 1,040 2,600 330 760 460 350 643 73 497 1,343 1,310 9.60



Size x103 x103 r.p.m. r.p.m. BORE FD D LS Standard PW S OAL lbs inchSX 278-8 117.0 354 2,800 7,000 4.88 10.95 6.85 4.92 8.63 0.835 6.96 18.47 130 0.146SX 302-8 265.5 531 2,560 6,400 5.38 11.89 7.48 5.32 9.25 0.961 7.33 19.89 169 0.157SX 325-8 327.5 655 2,400 6,000 5.75 12.80 8.07 5.71 10.00 1.024 7.95 21.42 202 0.169SX 345-8 407.1 814 2,200 5,500 6.13 13.58 8.55 6.10 10.63 1.110 8.41 22.83 246 0.181SX 380-8 558 1,115 2,040 5,100 6.63 14.96 9.37 6.70 11.68 1.260 9.16 25.08 330 0.197SX 410-8 761 1,522 1,880 4,700 7.13 16.14 10.04 7.28 12.62 1.307 10.01 27.18 429 0.213SX 440-8 974 1,947 1,740 4,350 7.69 17.32 10.75 7.68 13.19 1.433 10.32 28.55 506 0.228SX 475-8 1,221 2,443 1,680 4,200 8.25 18.70 11.62 8.27 14.13 1.504 11.12 30.67 649 0.248SX 505-8 1,549 3,098 1,520 3,800 8.88 19.88 12.20 9.06 15.50 1.654 12.19 33.62 823 0.264SX 540-8 1,947 3,894 1,440 3,600 9.25 21.26 12.99 9.45 16.38 1.811 12.76 35.28 999 0.283SX 570-8 2,292 4,585 1,360 3,400 9.88 22.44 13.78 9.84 17.75 2.031 13.69 37.43 1,177 0.299SX 605-8 2,788 5,576 1,280 3,200 10.44 23.82 14.57 10.43 18.69 2.094 14.50 39.55 1,357 0.307SX 635-8 3,390 6,780 1,240 3,100 10.88 25.00 15.16 11.03 20.50 2.394 15.71 42.56 1,602 0.323SX 675-8 4,018 8,037 1,160 2,900 11.50 26.58 16.14 11.81 22.00 2.567 16.87 45.62 1,925 0.331SX 700-8 4,673 9,347 1,120 2,800 11.81 27.56 16.54 12.40 23.44 2.709 18.02 48.24 2,246 0.350SX 730-8 5,381 10,763 1,080 2,700 12.44 28.74 17.32 12.99 24.13 2.803 18.52 50.11 2,486 0.362SX 760-8 6,196 12,391 1,040 2,600 13.00 29.92 18.11 13.78 25.31 2.866 19.58 52.87 2,882 0.378


misalignment.



D-12

D




Size x103 x103 r.p.m. r.p.m. BORE FD D LS Standard PW S OAL kg mmSX 505-10 219 438 1,520 3,800 220 505 310 230 394 42 310 854 378 5.0SX 540-10 274 548 1,440 3,600 235 540 330 240 416 46 324 896 459 5.4SX 570-10 323 646 1,360 3,400 250 570 350 250 451 52 348 951 540 5.7SX 605-10 394 788 1,280 3,200 265 605 370 265 475 53 368 1,005 622 5.8SX 635-10 480 960 1,240 3,100 275 635 385 280 521 61 399 1,081 734 6.2SX 675-10 570 1,140 1,160 2,900 290 675 410 300 559 65 428 1,159 882 6.4SX 700-10 660 1,320 1,120 2,800 300 700 420 315 595 69 458 1,225 1,029 6.7SX 730-10 760 1,520 1,080 2,700 315 730 440 330 610 71 467 1,269 1,139 7.0SX 760-10 870 1,740 1,040 2,600 330 760 460 350 643 73 497 1,343 1,320 7.5



Size x103 x103 r.p.m. r.p.m. BORE FD D LS Standard PW S OAL lbs inchSX 505-10 1,938 3,877 1,520 3,800 8.75 19.88 12.20 9.06 15.50 1.654 12.19 33.62 833 0.197SX 540-10 2,425 4,850 1,440 3,600 9.25 21.26 12.99 9.45 16.38 1.811 12.76 35.28 1,012 0.213SX 570-10 2,859 5,718 1,360 3,400 9.88 22.44 13.78 9.84 17.75 2.031 13.69 37.43 1,190 0.224SX 605-10 3,487 6,975 1,280 3,200 10.44 23.82 14.57 10.43 18.69 2.094 14.50 39.55 1,371 0.228SX 635-10 4,287 8,497 1,240 3,100 10.88 25.00 15.16 11.03 20.50 2.394 15.71 42.56 1,618 0.244SX 675-10 5,045 10,090 1,160 2,900 11.50 26.58 16.14 11.81 22.00 2.567 16.87 45.62 1,944 0.252SX 700-10 5,842 11,683 1,120 2,800 11.81 27.56 16.54 12.40 23.44 2.709 18.02 48.24 2,269 0.264SX 730-10 6,727 13,454 1,080 2,700 12.44 28.74 17.32 12.99 24.00 2.803 18.39 49.98 2,511 0.276SX 760-10 7,700 15,401 1,040 2,600 13.00 29.92 18.11 13.78 25.31 2.866 19.58 52.87 2,910 0.295


misalignment.


D


D-13

SXC-6 Close Coupled Industrial Style Disc Coupling, 6-bolt

D

FD

S

OAL

BSE1

FW

FC

LS

FW PW

SPACER

HUB


misalignment.


Charts are continued on next page.

Cplg. NOM. PEAK MAX1 MAX2 AXIAL6

Type TORQ. TORQ. SPEED SPEED MAX Misalig.SXC Nm Nm UNBAL. BAL. BORE Weight5 ±∆KaSize x103 x103 r.p.m. r.p.m. mm kg mm

SXC 110-6 0.6 1.2 7,200 18,000 29 1.8 2.1SXC 132-6 1.1 2.2 5,840 14,600 50 3.8 2.6SXC 158-6 2.0 4.0 4,920 12,300 60 5.8 3.1SXC 185-6 3.3 6.6 4,200 10,500 68 10 3.7SXC 202-6 4.6 9.2 3,840 9,600 75 15 3.8SXC 228-6 7.0 14.0 3,400 8,500 85 21 4.2SXC 255-6 10.2 20.4 3,080 7,700 95 27 4.7SXC 278-6 14.2 28.4 2,800 7,000 105 36 5.2SXC 302-6 20.0 40.0 2,560 6,400 115 46 5.7SXC 325-6 25.0 50.0 2,400 6,000 125 55 6.5SXC 345-6 31.0 62.0 2,200 5,500 130 70 6.9SXC 380-6 42.3 84.6 2,040 5,100 145 92 7.6SXC 410-6 57.1 114.2 1,880 4,700 160 116 8.2SXC 440-6 73.5 147.0 1,740 4,350 165 136 8.8SXC 475-6 92.0 184.0 1,680 4,200 180 172 9.5SXC 505-6 117.0 234.0 1,520 3,800 195 225 10.1


Type TORQ. TORQ. SPEED SPEED MAX Misalig.SXC in-lbs in-lbs UNBAL. BAL. BORE Weight5 ±∆KaSize x103 x103 r.p.m. r.p.m. inch lbs inch

SXC 110-6 5.1 10.2 7,200 18,000 1.14 4 0.083SXC 132-6 9.7 19.5 5,840 14,600 2.06 8 0.102SXC 158-6 17.7 35.4 4,920 12,300 2.38 13 0.122SXC 185-6 29.2 58.4 4,200 10,500 2.68 22 0.146SXC 202-6 40.7 81.4 3,840 9,600 3.06 33 0.150SXC 228-6 62.0 123.9 3,400 8,500 3.44 46 0.165SXC 255-6 90.3 180.6 3,080 7,700 3.88 60 0.185SXC 278-6 125.7 251.4 2,800 7,000 4.25 79 0.205SXC 302-6 177.0 354.0 2,560 6,400 4.63 101 0.224SXC 325-6 221.3 442.6 2,400 6,000 4.88 121 0.256SXC 345-6 274.4 548.8 2,200 5,500 5.25 154 0.272SXC 380-6 374.4 748.8 2,040 5,100 5.75 203 0.299SXC 410-6 505.4 1,011 1,880 4,700 6.25 256 0.323SXC 440-6 650.5 1,301 1,740 4,350 6.50 300 0.346SXC 475-6 814.3 1,629 1,680 4,200 7.06 379 0.374SXC 505-6 1,036 2,071 1,520 3,800 7.75 503 0.398


D-14

D


D

FD

S

OAL

BSE1

FW

FC

LS

FW PW

SPACER

HUB


misalignment.


Cplg. DIMENSIONS (mm)TypeSXC BSE BSE OAL1

Size FD D LS Standard 1 Rev. Hub PW HH FW FC S OAL 1 Rev. HubSXC 110-6 110 54 50 4 47 8 6 8 45 72 116 152SXC 132-6 132 71 60 4 56 8 6 8 45 91 135 181SXC 158-6 158 84 70 4 64 11 7 10 55 102 158 211SXC 185-6 185 95 80 4 72 14 8 12 65 112 180 240SXC 202-6 202 110 90 7 83 16 9 14 75 128 205 272SXC 228-6 228 123 100 7 91 18 10 16 85 140 227 301SXC 255-6 255 138 115 7 102 21 13 20 100 156 263 345SXC 278-6 278 152 125 9 114 21 13 20 105 177 285 377SXC 302-6 302 165 135 9 122 24 14 22 115 186 307 406SXC 325-6 325 174 145 8 131 26 14 22 115 202 326 435SXC 345-6 345 186 155 8 139 28 15 24 125 214 348 464SXC 380-6 380 204 170 10 153 32 17 27 140 233 385 511SXC 410-6 410 223 185 11 166 33 19 30 150 254 419 554SXC 440-6 440 233 195 14 176 36 21 33 165 262 446 587SXC 475-6 475 252 210 11 185 38 23 36 180 283 477 628SXC 505-6 505 276 230 11 203 42 25 39 195 310 522 688

Cplg. DIMENSIONS (in)TypeSXC BSE BSE OAL1

Size FD D LS Standard 1 Rev. Hub PW HH FW FC S OAL 1 Rev. HubSXC 110-6 4.33 2.13 1.97 0.16 1.84 0.33 0.22 0.31 1.77 2.84 4.56 6.00SXC 132-6 5.20 2.79 2.36 0.16 2.21 0.33 0.22 0.31 1.77 3.59 5.31 7.14SXC 158-6 6.22 3.31 2.76 0.16 2.52 0.44 0.28 0.39 2.17 4.00 6.22 8.31SXC 185-6 7.28 3.74 3.15 0.16 2.82 0.55 0.31 0.47 2.56 4.40 7.07 9.44SXC 202-6 7.95 4.33 3.54 0.27 3.26 0.61 0.35 0.55 2.95 5.03 8.06 10.70SXC 228-6 8.98 4.84 3.94 0.26 3.57 0.69 0.39 0.63 3.35 5.50 8.93 11.84SXC 255-6 10.04 5.43 4.53 0.26 4.01 0.81 0.51 0.79 3.94 6.14 10.35 13.58SXC 278-6 10.95 5.99 4.92 0.36 4.50 0.84 0.51 0.79 4.13 6.96 11.23 14.85SXC 302-6 11.89 6.50 5.32 0.34 4.80 0.96 0.55 0.87 4.53 7.33 12.08 15.99SXC 325-6 12.80 6.85 5.71 0.31 5.16 1.02 0.55 0.87 4.53 7.95 12.83 17.13SXC 345-6 13.58 7.32 6.10 0.32 5.47 1.11 0.59 0.94 4.92 8.41 13.70 18.27SXC 380-6 14.96 8.03 6.70 0.41 6.04 1.26 0.67 1.06 5.51 9.16 15.14 20.11SXC 410-6 16.14 8.78 7.28 0.42 6.52 1.31 0.75 1.18 5.91 10.01 16.48 21.83SXC 440-6 17.32 9.17 7.68 0.55 6.93 1.43 0.83 1.30 6.50 10.32 17.56 23.12SXC 475-6 18.70 9.92 8.27 0.42 7.28 1.50 0.91 1.42 7.09 11.12 18.78 24.72SXC 505-6 19.88 10.87 9.06 0.45 7.98 1.65 0.98 1.54 7.68 12.19 20.54 27.08

D

Disc Couplings

D-15

Dimensional Data

D


D

FD

S

OAL

BSE1

FW

FC

LS

FW PW

SPACER

HUB


misalignment.



Type TORQ. TORQ. SPEED SPEED MAX Misalig.SXC kNm kNm UNBAL. BAL. BORE Weight5 ±∆KaSize x103 x103 r.p.m. r.p.m. mm kg mm

SXC 278-8 20 40.0 2,800 7,000 100 36 3.7SXC 302-8 30 60.0 2,560 6,400 110 45 4.0SXC 325-8 37 74.0 2,400 6,000 115 51 4.3SXC 345-8 46 92.0 2,200 5,500 125 64 4.6SXC 380-8 63 126.0 2,040 5,100 140 84 5.0SXC 410-8 86 172.0 1,880 4,700 150 109 5.4SXC 440-8 110 220.0 1,740 4,350 160 130 5.8SXC 475-8 138 276.0 1,680 4,200 170 164 6.3SXC 505-8 175 350.0 1,520 3,800 190 212 6.7SXC 540-8 220 440.0 1,440 3,600 195 265 7.2SXC 570-8 259 518.0 1,360 3,400 205 311 7.6SXC 605-8 315 630.0 1,280 3,200 215 353 7.8SXC 635-8 383 766.0 1,240 3,100 230 406 8.2SXC 675-8 454 908.0 1,160 2,900 250 458 8.4SXC 700-8 528 1,056 1,120 2,800 260 556 8.9SXC 730-8 608 1,216 1,080 2,700 265 613 9.2SXC 760-8 700 1,400 1,040 2,600 280 698 9.6


Type TORQ. TORQ. SPEED SPEED MAX Misalig.SXC in-lbs in-lbs UNBAL. BAL. BORE Weight5 ±∆KaSize x103 x103 r.p.m. r.p.m. inch lbs inch

SXC 278-8 117.0 354 2,800 7,000 4.06 79 0.146SXC 302-8 265.5 531 2,560 6,400 4.44 99 0.157SXC 325-8 327.5 655 2,400 6,000 4.69 112 0.169SXC 345-8 407.1 814 2,200 5,500 5.00 141 0.181SXC 380-8 558 1,115 2,040 5,100 5.50 185 0.197SXC 410-8 761 1,522 1,880 4,700 6.06 240 0.213SXC 440-8 974 1,947 1,740 4,350 6.31 287 0.228SXC 475-8 1,221 2,443 1,680 4,200 6.88 362 0.248SXC 505-8 1,549 3,098 1,520 3,800 7.50 467 0.264SXC 540-8 1,947 3,894 1,440 3,600 7.81 584 0.283SXC 570-8 2,292 4,585 1,360 3,400 8.06 686 0.299SXC 605-8 2,788 5,576 1,280 3,200 8.56 778 0.307SXC 635-8 3,390 6,780 1,240 3,100 9.06 895 0.323SXC 675-8 4,018 8,037 1,160 2,900 9.88 1010 0.331SXC 700-8 4,673 9,347 1,120 2,800 10.25 1226 0.350SXC 730-8 5,381 10,763 1,080 2,700 10.50 1351 0.362SXC 760-8 6,196 12,391 1,040 2,600 11.13 1539 0.378


D

FD

S

OAL

BSE1

FW

FC

LS

FW PW

SPACER

HUB


D-16

D



misalignment.


Cplg. DIMENSIONS (mm)TypeSXC BSE BSE OAL1

Size FD D LS Standard 1 Rev. Hub PW HH FW FC S OAL 1 Rev. HubSXC 278-8 278 142 125 9 114 21 13 20 105 177 285 377SXC 302-8 302 153 135 9 122 24 14 22 115 186 307 406SXC 325-8 325 166 145 8 131 26 14 22 115 202 326 435SXC 345-8 345 178 155 8 139 28 15 24 125 214 348 464SXC 380-8 380 196 170 10 153 32 17 27 140 233 385 511SXC 410-8 410 215 185 11 166 33 19 30 150 254 419 554SXC 440-8 440 225 195 11 173 36 21 33 165 262 443 584SXC 475-8 475 244 210 11 185 38 23 36 180 283 477 628SXC 505-8 505 254 230 11 203 42 25 39 195 310 522 688SXC 540-8 540 278 240 20 218 46 26 42 210 324 552 724SXC 570-8 570 288 250 41 246 52 28 45 230 348 597 774SXC 605-8 605 306 265 41 258 53 30 48 240 368 631 818SXC 635-8 635 322 280 64 293 61 33 52 265 399 691 886SXC 675-8 675 350 300 71 315 65 35 56 280 428 741 950SXC 700-8 700 365 315 85 340 69 38 60 300 458 791 1,008SXC 730-8 730 375 330 73 343 71 38 60 305 471 809 1,041SXC 760-8 760 395 350 71 357 73 40 64 320 851 851 1,097

Cplg. DIMENSIONS (in)TypeSXC BSE BSE OAL1

Size FD D LS Standard 1 Rev. Hub PW HH FW FC S OAL 1 Rev. HubSXC 278-8 10.95 5.59 4.92 0.36 4.50 0.83 0.51 0.79 4.13 6.96 11.23 14.85SXC 302-8 11.89 6.02 5.32 0.34 4.80 0.96 0.55 0.87 4.53 7.33 12.08 15.99SXC 325-8 12.80 6.53 5.71 0.31 5.16 1.02 0.55 0.87 4.53 7.95 12.83 17.13SXC 345-8 13.58 7.00 6.10 0.32 5.47 1.11 0.59 0.94 4.92 8.41 13.70 18.27SXC 380-8 14.96 7.71 6.70 0.41 6.04 1.26 0.67 1.06 5.51 9.16 15.14 20.11SXC 410-8 16.14 8.46 7.28 0.42 6.52 1.31 0.75 1.18 5.91 10.01 16.48 21.83SXC 440-8 17.32 8.86 7.68 0.43 6.81 1.43 0.83 1.30 6.50 10.32 17.44 23.00SXC 475-8 18.70 9.61 8.27 0.42 7.28 1.50 0.91 1.42 7.09 11.12 18.78 24.72SXC 505-8 19.88 10.00 9.06 0.45 7.98 1.65 0.98 1.54 7.68 12.19 20.54 27.08SXC 540-8 21.26 10.94 9.45 0.79 8.58 1.81 1.02 1.65 8.27 12.76 21.73 28.51SXC 570-8 22.44 11.34 9.84 1.61 9.68 2.03 1.10 1.77 9.06 13.69 23.50 30.46SXC 605-8 23.82 12.05 10.43 1.61 10.15 2.09 1.18 1.89 9.45 14.50 24.83 32.19SXC 635-8 25.00 12.68 11.03 2.53 11.52 2.39 1.30 2.05 10.43 15.71 27.19 34.88SXC 675-8 26.58 13.78 11.81 2.79 12.39 2.57 1.38 2.20 11.02 16.87 29.17 37.39SXC 700-8 27.56 14.37 12.40 3.36 13.40 2.71 1.50 2.36 11.81 18.02 31.16 39.70SXC 730-8 28.74 14.76 12.99 2.87 13.50 2.80 1.50 2.36 12.01 18.52 31.85 40.98SXC 760-8 29.92 15.55 13.78 2.79 14.05 2.87 1.57 2.52 12.60 19.58 33.50 43.18

Disc Couplings

D-17

Dimensional Data

D

OAL

BSE

HUB

DISC PACK KIT

SPLIT SPACER MOUNT RING

MOUNT BOLTS

AXIAL SPLIT

PW

FD D OD

SXCS-6 Close Coupled Industrial Style Disc Coupling Split Spacer, 6-bolt


misalignment.



Type TORQ. TORQ. SPEED SPEED MAX Misalig.SXCS kNm kNm UNBAL. BAL. BORE Weight5 ±∆KaSize x103 x103 r.p.m. r.p.m. mm kg mm

SXCS 110-6 0.6 1.2 7,200 18,000 29 1.8 2.1SXCS 132-6 1.1 2.2 5,840 14,600 50 3.8 2.6SXCS 158-6 2.0 4.0 4,920 12,300 60 5.8 3.1SXCS 185-6 3.3 6.6 4,200 10,500 68 10 3.7SXCS 202-6 4.6 9.2 3,840 9,600 75 15 3.8SXCS 228-6 7.0 14.0 3,400 8,500 85 21 4.2SXCS 255-6 10.2 20.4 3,080 7,700 95 27 4.7SXCS 278-6 14.2 28.4 2,800 7,000 105 36 5.2SXCS 302-6 20.0 40.0 2,560 6,400 115 46 5.7


Type TORQ. TORQ. SPEED SPEED MAX Misalig.SXCS in-lbs in-lbs UNBAL. BAL. BORE Weight5 ±∆KaSize x103 x103 r.p.m. r.p.m. inch lbs inch

SXCS 110-6 5.1 10.2 7,200 18,000 1.14 4 0.083SXCS 132-6 9.7 19.5 5,840 14,600 2.06 8 0.102SXCS 158-6 17.7 35.4 4,920 12,300 2.38 13 0.122SXCS 185-6 29.2 58.4 4,200 10,500 2.68 22 0.146SXCS 202-6 40.7 81.4 3,840 9,600 3.06 33 0.150SXCS 228-6 62.0 123.9 3,400 8,500 3.44 46 0.165SXCS 255-6 90.3 180.6 3,080 7,700 3.88 60 0.185SXCS 278-6 125.7 251.4 2,800 7,000 4.25 79 0.205SXCS 302-6 177.0 354.0 2,560 6,400 4.63 101 0.224


OAL

BSE

HUB

DISC PACK KIT

SPLIT SPACER MOUNT RING

MOUNT BOLTS

AXIAL SPLIT

PW

FD D OD


D-18

D

SXCS-6 Close Coupled Industrial Style Disc Coupling Split Spacer, 6-bolt


misalignment.


Cplg. Dimensions (mm)TypeSXCSSize FD D BSE PW OD OAL

SXCS 110-6 124.0 53.8 11.2 8.4 128.0 111.3SXCS 132-6 145.0 70.9 9.1 8.4 149.1 129.0SXCS 158-6 170.9 83.8 11.9 11.2 175.0 152.1SXCS 185-6 195.1 95.0 14.7 14.0 198.9 174.8SXCS 202-6 214.1 108.0 16.3 15.5 217.9 196.1SXCS 228-6 243.1 122.9 18.3 17.5 246.9 218.4SXCS 255-6 274.1 134.9 30.7 20.5 277.9 260.9SXCS 278-6 294.1 151.9 22.1 21.2 297.9 272.0SXCS 302-6 327.2 164.8 27.4 24.4 331.0 297.7

Cplg. Dimensions (in)TypeSXCSSize FD D BSE PW OD OAL

SXCS 110-6 4.88 2.12 0.44 0.331 5.04 4.38SXCS 132-6 5.71 2.79 0.36 0.331 5.87 5.08SXCS 158-6 6.73 3.30 0.47 0.442 6.89 5.99SXCS 185-6 7.68 3.74 0.58 0.551 7.83 6.88SXCS 202-6 8.43 4.25 0.64 0.610 8.58 7.72SXCS 228-6 9.57 4.84 0.72 0.689 9.72 8.60SXCS 255-6 10.79 5.31 1.21 0.806 10.94 10.27SXCS 278-6 11.58 5.98 0.87 0.834 11.73 10.71SXCS 302-6 12.88 6.49 1.08 0.961 13.03 11.72

Disc Couplings

D-19

Dimensional Data

D

Drop in (API) Style 5-piece Disc Coupling, 6-bolt


Type TORQ. TORQ. SPEED SPEED DIMENSIONS (mm) Misalig.DI Nm Nm UNBAL. BAL. MAX BORE MAX BORE Weight5 ±∆Ka

Size x103 x103 r.p.m. r.p.m. Standard Jumbo SD FD D LP S HH BSE OAL kg mmDI 090-6 0.2 0.5 9,100 22,700 43 59 90 94 60 33 43 13 79 155 4 1.5DI 110-6 0.6 1.2 7,200 18,000 52 75 110 115 73 50 61 13 108 208 5.4 2.1DI 132-6 1.1 2.2 5,840 14,600 67 90 132 139 95 60 64 13 111 231 10 2.6DI 158-6 2.0 4.0 4,920 12,300 80 105 158 165 112 70 79 17 140 280 18 3.1DI 185-6 3.3 6.6 4,200 10,500 95 125 185 193 134 80 88 19 160 320 28 3.7DI 202-6 4.6 9.2 3,840 9,600 102 135 202 210 144 90 105 22 186 366 38 3.8DI 228-6 7.0 14.0 3,400 8,500 115 150 228 236 160 100 114 24 205 405 55 4.2DI 255-6 10.2 20.4 3,080 7,700 125 170 255 263 175 115 140 27 251 481 72 4.7DI 278-6 14.2 28.4 2,800 7,000 140 185 278 286 195 125 143 30 256 505 101 5.2DI 302-6 20.0 40.0 2,560 6,400 155 200 302 310 217 135 156 32 281 551 133 5.7DI 325-6 25.0 50.0 2,400 6,000 170 215 325 333 240 145 158 32 286 576 160 6.5DI 345-6 31.0 62.0 2,200 5,500 180 230 345 355 255 155 182 30 321 631 193 6.9DI 380-6 42.3 84.6 2,040 5,100 210 250 380 390 295 170 190 32 346 686 262 7.6DI 410-6 57.1 114.2 1,880 4,700 225 270 410 420 315 185 206 36 375 744 335 8.2DI 440-6 73.5 147.0 1,740 4,350 235 290 440 450 330 195 231 41 416 806 397 8.8DI 475-6 92.0 184.0 1,680 4,200 250 312 475 485 355 210 252 46 451 871 505 9.5DI 505-6 117.0 234.0 1,520 3,800 275 332 505 515 385 230 275 46 490 951 631 10.1


Type TORQ. TORQ. SPEED SPEED DIMENSIONS (in) Misalig.DI in-lbs in-lbs UNBAL. BAL. MAX BORE MAX BORE Weight5 ±∆Ka

Size x103 x103 r.p.m. r.p.m. Standard Jumbo SD FD D LP S HH BSE OAL lbs inchDI 090-6 2.1 4.2 9,100 22,700 1.68 2.25 3.54 3.70 2.36 1.30 1.68 0.51 3.11 6.10 8 0.059DI 110-6 5.1 10.2 7,200 18,000 2.06 2.94 4.33 4.53 2.87 1.97 2.41 0.51 4.25 8.19 12 0.083DI 132-6 9.7 19.5 5,840 14,600 2.69 3.56 5.20 5.47 3.74 2.36 2.54 0.51 4.38 9.10 22 0.102DI 158-6 17.7 35.4 4,920 12,300 3.13 4.13 6.22 6.50 4.41 2.76 3.12 0.67 5.50 11.02 40 0.122DI 185-6 29.2 58.4 4,200 10,500 3.75 4.94 7.28 7.60 5.28 3.15 3.48 0.75 6.31 12.61 62 0.146DI 202-6 40.7 81.4 3,840 9,600 4.06 5.38 7.95 8.27 5.67 3.54 4.12 0.87 7.31 14.39 84 0.150DI 228-6 62.0 123.9 3,400 8,500 4.50 5.94 8.98 9.29 6.30 3.94 4.48 0.94 8.06 15.94 121 0.165DI 255-6 90.3 180.6 3,080 7,700 4.94 6.63 10.04 10.35 6.89 4.53 5.51 1.06 9.88 18.94 159 0.185DI 278-6 125.7 251.4 2,800 7,000 5.50 7.31 10.94 11.26 7.68 4.92 5.63 1.18 10.06 19.90 223 0.205DI 302-6 177.0 354.0 2,560 6,400 6.13 7.88 11.89 12.20 8.54 5.31 6.15 1.26 11.06 21.68 293 0.224DI 325-6 221.3 442.6 2,400 6,000 6.75 8.44 12.80 13.11 9.45 5.71 6.21 1.26 11.25 22.67 353 0.256DI 345-6 274.4 549 2,200 5,500 7.13 9.13 13.58 13.98 10.04 6.10 7.18 1.18 12.63 24.83 425 0.272DI 380-6 374.4 749 2,040 5,100 8.31 9.88 14.96 15.35 11.61 6.69 7.49 1.26 13.63 27.01 578 0.299DI 410-6 505 1,011 1,880 4,700 8.88 10.63 16.14 16.54 12.40 7.28 8.12 1.42 14.75 29.31 739 0.323DI 440-6 651 1,301 1,740 4,350 9.25 11.44 17.32 17.72 12.99 7.68 9.10 1.61 16.38 31.74 875 0.346DI 475-6 814 1,629 1,680 4,200 9.94 12.25 18.70 19.09 13.98 8.27 9.94 1.81 17.75 34.29 1,113 0.374DI 505-6 1,036 2,071 1,520 3,800 10.88 13.13 19.88 20.28 15.16 9.06 10.81 1.81 19.31 37.43 1,391 0.398


misalignment.

Metric dimensions are rounded to the nearest “mm” except where otherwise shown


D-20

D

DI-8 Drop in (API) Style 5-piece Disc Coupling, 8-boltOAL

BSE

SD

D

LS

FD

JD

LS

SPACERJUMBO

HUBGUARD

RING

STANDARD HUB


Type TORQ. TORQ. SPEED SPEED DIMENSIONS (mm) Misalig.DI Nm Nm UNBAL. BAL. MAX BORE MAX BORE Weight5 ±∆Ka

Size x103 x103 r.p.m. r.p.m. Standard Jumbo SD FD D JD LS BSE OAL kg mmDI 278-8 20.0 40.0 2,800 7,000 140 185 278 332 195 260 125 256 505 130 3.7DI 302-8 30.0 60.0 2,560 6,400 155 200 302 356 217 285 135 281 551 164 4.0DI 325-8 37.0 74.0 2,400 6,000 170 215 325 400 240 305 145 286 576 213 4.3DI 345-8 46.0 92.0 2,200 5,500 180 230 345 417 255 322 155 321 631 250 4.6DI 380-8 63.0 126.0 2,040 5,100 210 255 380 455 295 360 170 346 686 325 5.0DI 410-8 86.0 172.0 1,880 4,700 225 275 410 498 315 390 185 375 744 412 5.4DI 440-8 110.0 220.0 1,740 4,350 235 300 440 528 330 420 195 416 806 480 5.8DI 475-8 138.0 276.0 1,680 4,200 250 320 475 585 355 450 210 450 870 632 6.3DI 505-8 175.0 350.0 1,520 3,800 275 341 505 615 385 480 230 490 951 794 6.7DI 540-8 220.0 440.0 1,440 3,600 295 360 540 670 415 508 240 560 1,040 840 7.2DI 570-8 259.0 518 1,360 3,400 320 385 570 702 450 540 250 607 1,106 950 7.6DI 605-8 315.0 630 1,280 3,200 325 400 605 727 460 565 265 621 1,151 1,120 7.8


Type TORQ. TORQ. SPEED SPEED DIMENSIONS (in) Misalig.DI in-lbs in-lbs UNBAL. BAL. MAX BORE MAX BORE Weight5 ±∆Ka

Size x103 x103 r.p.m. r.p.m. Standard Jumbo SD FD D JD LS BSE OAL lbs inchDI 278-8 177.0 354.0 2,800 7,000 5.50 7.31 10.95 13.07 7.68 10.24 4.92 10.06 19.90 287 0.146DI 302-8 265.5 531 2,560 6,400 6.13 7.88 11.89 14.02 8.54 11.22 5.32 11.06 21.70 362 0.157DI 325-8 327.5 655 2,400 6,000 6.75 8.50 12.80 15.75 9.45 12.00 5.71 11.25 22.67 470 0.169DI 345-8 407.1 814 2,200 5,500 7.13 9.06 13.58 16.42 10.04 12.68 6.10 12.63 24.83 551 0.181DI 380-8 558 1,115 2,040 5,100 8.31 10.13 14.96 17.91 11.61 14.17 6.69 13.63 27.01 717 0.197DI 410-8 761 1,522 1,880 4,700 8.88 10.94 16.14 19.60 12.40 15.35 7.28 14.75 29.31 908 0.213DI 440-8 974 1,947 1,740 4,350 9.25 11.88 17.32 20.79 12.99 16.54 7.68 16.38 31.74 1,058 0.228DI 475-8 1,221 2,443 1,680 4,200 9.94 12.63 18.70 23.03 13.98 17.72 8.27 17.72 34.26 1,393 0.248DI 505-8 1,549 3,098 1,520 3,800 10.88 13.44 19.88 24.21 15.16 18.90 9.06 19.31 37.43 1,750 0.264DI 540-8 1,947 3,894 1,440 3,600 11.63 14.25 21.26 26.38 16.34 20.00 9.45 22.06 40.96 1,852 0.283DI 570-8 2,292 4,585 1,360 3,400 12.63 15.25 22.44 27.64 17.72 21.26 9.84 23.88 43.56 2,094 0.299DI 605-8 2,788 5,576 1,280 3,200 12.88 15.94 23.82 28.62 18.11 22.24 10.43 24.44 45.30 2,469 0.307


misalignment.


Disc Couplings

D-21

Dimensional Data

D

SXGS Replacement for Floating Shaft Gear Coupling Reduced Moment


misalignment.



Type TORQ. TORQ. SPEED SPEED Misalig.SX Nm Nm UNBAL. BAL. MAX BSE S Weight 5 ±∆Ka

Size x103 x103 r.p.m. r.p.m. BORE FD SD CH LS MIN MIN kg mmSXGS 132-6 / 1 1.1 2.2 5,840 14,600 50 132 116 66 60 97 85 8 2.6SXGS 158-6 / 1.5 2.0 4.0 4,920 12,300 60 158 152 81 70 132 110 16 3.1SXGS 185-6 / 2 3.3 6.6 4,200 10,500 70 185 178 96 80 147 115 24 3.7SXGS 202-6 / 2.5 4.6 9.2 3,480 9,600 75 202 213 110 90 175 135 38 3.8SXGS 255-6 / 3 10.2 20.4 3,080 7,700 95 255 240 130 115 165 135 57 4.7SXGS 287-8 / 3.5 20.0 40.0 2,800 7,000 100 278 279 150 125 225 175 91 3.7SXGS 302-8 / 4 30.0 60.0 2,560 6,400 110 302 318 160 135 225 175 118 4.0SXGS 325-8 / 4.5 37.0 74.0 2,400 6,000 115 325 346 165 145 215 175 134 4.3SXGS 345-8 / 5 46.0 92.0 2,200 5,500 125 345 389 185 155 280 220 196 4.6SXGS 380-8 / 5.5 63.0 126.0 2,040 5,100 140 380 425 200 170 280 220 245 5.0SXGS 410-8 / 6 86.0 172.0 1,880 4,700 150 410 457 200 185 210 180 245 5.4SXGS 540-8 / 7 110.0 220.0 1,440 3,600 195 540 527 235 240 190 180 508 7.2


Type TORQ. TORQ. SPEED SPEED Misalig.SX in-lbs in-lbs UNBAL. BAL. MAX BSE S Weight 5 ±∆Ka

Size x103 x103 r.p.m. r.p.m. BORE FD SD CH LS MIN MIN lbs inSXGS 132-6 / 1 9.7 19.5 5,840 14,600 2.06 5.20 4.56 2.60 2.36 3.82 3.35 17 0.102SXGS 158-6 / 1.5 17.7 35.4 4,920 12,300 2.38 6.22 6.00 3.19 2.76 5.20 4.33 35 0.122SXGS 185-6 / 2 29.2 58.4 4,200 10,500 2.75 7.28 7.00 3.78 3.15 5.79 4.53 53 0.146SXGS 202-6 / 2.5 40.7 81.4 3,840 9,600 3.06 7.95 8.38 4.33 3.54 6.89 5.31 84 0.150SXGS 255-6 / 3 90.3 180.6 3,080 7,700 3.88 10.04 9.44 5.12 4.53 6.50 5.31 126 0.185SXGS 287-8 / 3.5 177.0 354 2,800 7,000 4.06 10.95 11.00 5.90 4.92 8.86 6.89 201 0.146SXGS 302-8 / 4 265.5 531 2,560 6,400 4.44 11.89 12.50 6.30 5.32 8.86 6.89 260 0.157SXGS 325-8 / 4.5 327.5 655 2,400 6,000 4.68 12.80 13.63 6.50 5.71 8.46 6.89 295 0.169SXGS 345-8 / 5 407.1 814 2,200 5,500 5.00 13.58 15.31 7.28 6.10 11.02 8.66 432 0.181SXGS 380-8 / 5.5 558 1,115 2,040 5,100 5.50 14.96 16.75 7.87 6.69 11.02 8.66 540 0.197SXGS 410-8 / 6 761 1,522 1,880 4,700 6.06 16.14 18.00 7.87 7.28 8.27 7.09 560 0.213SXGS 540-8 / 7 1,947 3,894 1,440 3,600 7.75 21.26 20.75 9.25 9.45 7.48 7.09 1,120 0.283


D-22

D


misalignment.7) DIR is with rigid hubs. DILR are less rigid hubs.

Replacement for Floating Shaft Gear Coupling Drop-In Style


FD

SEP

S

RD

D

P

FD

RD


Type TORQ. TORQ. SPEED SPEED Misalig.SX Nm Nm UNBAL. BAL. MAX BORE BSE Weight 5 ±∆Ka

Size x103 x103 r.p.m. r.p.m. STD. KEY FD RD D LP LS MIN kg mmDIR 132-6 / 1 1.1 2.2 5,840 14,600 56 132 116 78 40 42 170 5 2.6DIR 158-6 / 1.5 2.0 4.0 4,920 12,300 76 158 152 101 47 48 225 11 3.1DIR 185-6 / 2 3.3 6.6 4,200 10,500 95 185 178 125 58 60 265 17 3.7DIR 202-6 / 2.5 4.6 9.2 3,480 9,600 114 202 213 150 74 73 300 24 3.8DIR 255-6 / 3 10.2 20.4 3,080 7,700 134 255 240 176 86 84 365 42 4.7DIR 287-8 / 3.5 20.0 40.0 2,800 7,000 150 278 279 201 101 97 405 67 3.7DIR 302-8 / 4 30.0 60.0 2,560 6,400 176 302 318 235 113 108 440 86 4.0DIR 325-8 / 4.5 37.0 74.0 2,400 6,000 202 325 346 264 128 122 455 102 4.3DIR 345-8 / 5 46.0 92.0 2,200 5,500 231 345 389 294 145 140 500 139 4.6DIR 380-8 / 5.5 63.0 126.0 2,040 5,100 260 380 425 325 156 152 545 179 5.0DIR 410-8 / 6 86.0 172.0 1,880 4,700 288 410 457 356 188 170 555 199 5.4DIR 540-8 / 7 110.0 220.0 1,440 3,600 318 540 527 400 221 187 680 419 7.2

Cplg. NOM. PEAK MAX2 DIMENSIONS (in) AXIAL6

Type TORQ. TORQ. SPEED Misalig.SX in-lbs in-lbs BAL. MAX. BORE MAX BORE BSE Weight 5 ±∆Ka

Size x103 x103 r.p.m. STD. KEY RED. KEY FD RD D LP LS MIN lb inchDIR 132-6 / 1 9.7 19.5 14,600 2.13 2.25 5.20 4.56 3.06 1.56 1.66 6.69 11 0.102DIR 158-6 / 1.5 17.7 35.4 12,300 2.81 3.06 6.22 6.00 3.97 1.84 1.88 8.86 24 0.122DIR 185-6 / 2 29.2 58.4 10,500 3.50 3.75 7.28 7.00 4.91 2.28 2.38 10.43 37 0.146DIR 202-6 / 2.5 40.7 81.4 9,600 4.25 4.50 7.95 8.38 5.91 2.90 2.88 11.81 53 0.150DIR 255-6 / 3 90.3 180.6 7,700 4.88 5.25 10.04 9.44 6.91 3.40 3.31 14.37 93 0.185DIR 287-8 / 3.5 177.0 354 7,000 5.63 5.88 10.95 11.00 7.91 3.96 3.81 15.94 148 0.146DIR 302-8 / 4 265.5 531 6,400 6.50 6.50 11.89 12.50 9.25 4.43 4.25 17.32 190 0.157DIR 325-8 / 4.5 327.5 655 6,000 7.38 7.63 12.80 13.63 10.38 5.03 4.81 17.91 225 0.169DIR 345-8 / 5 407.1 814 5,500 8.38 8.75 13.58 15.31 11.56 5.69 5.50 19.69 306 0.181DIR 380-8 / 5.5 558 1,115 5,100 9.25 9.75 14.96 16.75 12.81 6.15 6.00 21.46 395 0.197DIR 410-8 / 6 761 1,522 4,700 11.13 10.75 16.14 18.00 14.00 7.41 6.69 21.85 439 0.213DIR 540-8 / 7 1,947 3,894 3,600 11.25 12.00 21.26 20.75 15.75 8.69 7.38 26.77 924 0.283

DIRDILR

D


D

D-23

Various examples for the disc coupling

Our Application Engineering Department is ready to supply the most suitable configuration to fit your requirements.

SU Type(Single disc pack)

SXAC Type(with clamping element)

SXV Type(For vertical mounting)

SXFS Type(With floating shaft)

SXCS Type (over size 302)(Spacer in 2 halves)

SXCAC Type(With internal clamping element)


D-24

D

SXFA Type(With flanged adaptors)

SXEI Type(With electrical insulation)

SXSP Type(With shear pins)

SXLEF Type(Limited end float)

SXHP Type(High performance)

Disc Couplings

D-25

Technical Data

D

Keyway Standards for Inch Bores

Engineering Section/Bore and Keyway Standards

Inch Bore Standards to AGMA 9002-A96

Keyway Standards for Metric Bores JS9

Metric Bore per ISO/R775;1969 (mm) H7Shaft Diameter inches

Nominal ShaftOver Thru Diam. Less Bore Tolerance

— 1.5000 0.001 +0.0005 -0.0001.5000 3.0000 0.002 +0.0010 -0.0003.0000 4.0000 0.003 +0.0015 -0.0004.0000 5.0000 0.0035 +0.0015 -0.0005.0000 7.0000 0.004 +0.0015 -0.0007.0000 8.0000 0.005 +0.002 -0.0008.0000 9.0000 0.0055 +0.002 -0.000

Shaft Diameter mmTolerance

Over Thru H7 mm1 3 +0.010 -0.03 6 +0.012 -0.06 10 +0.015 -0.0

10 18 +0.018 -0.018 30 +0.021 -0.030 50 +0.025 -0.050 80 +0.030 -0.080 120 +0.035 -0.0

120 180 +0.040 -0.0180 250 +0.046 -0.0250 315 +0.052 -0.0315 400 +0.057 -0.0

Nominal Keyway inchesSquare (up to 6.5000

Nominal Bore inches), rectangularDiam. Inches over Nominal Key inches

Over To Width Depth Width Height0.4375 0.5625 0.1250 0.0625 0.1250 0.12500.5625 0.8750 0.1875 0.0937 0.1875 0.18750.8750 1.2500 0.2500 0.1250 0.2500 0.25001.2500 1.3750 0.3125 0.1562 0.3125 0.31251.3750 1.5000 0.3750 0.1875 0.3750 0.37501.5000 1.7500 0.3750 0.1875 0.3750 0.37501.7500 2.0000 0.5000 0.2500 0.5000 0.50002.0000 2.2500 0.5000 0.2500 0.5000 0.50002.2500 2.7500 0.6250 0.3125 0.6250 0.62502.7500 3.0000 0.7500 0.3750 0.7500 0.75003.0000 3.2500 0.7500 0.3750 0.7500 0.75003.2500 3.7500 0.8750 0.4375 0.8750 0.87503.7500 4.0000 1.0000 0.5000 1.0000 1.00004.0000 4.5000 1.0000 0.5000 1.0000 1.00004.5000 5.0000 1.2500 0.6250 1.2500 1.25005.0000 5.5000 1.2500 0.6250 1.2500 1.25005.5000 6.5000 1.5000 0.7500 1.5000 1.50006.5000 7.0000 1.7500 0.7500 1.7500 1.50007.0000 7.5000 1.7500 0.7500 1.7500 1.50007.5000 8.0000 2.0000 0.7500 2.0000 1.50008.0000 9.0000 2.0000 0.7500 2.0000 1.5000

Nominal Bore Diam.mm Nominal Keyway mm Nominal Key mm

Over To Width Depth Width Height6 8 2 1.0 2 28 10 3 1.4 3 310 12 4 1.8 4 412 17 5 2.3 5 517 22 6 2.8 6 622 30 8 3.3 8 730 38 10 3.3 10 838 44 12 3.3 12 844 50 14 3.8 14 950 58 16 4.3 16 1058 65 18 4.4 18 1165 75 20 4.9 20 1275 85 22 5.4 22 1485 95 25 5.4 25 1495 110 28 6.4 28 16110 130 32 7.4 32 18130 150 36 8.4 36 20150 170 40 9.4 40 22170 200 45 10.4 45 25200 230 50 11.4 50 28230 260 56 12.4 56 32260 290 63 12.4 63 32290 330 70 14.4 70 36330 380 80 15.4 80 40380 440 90 17.4 90 45

Disc Couplings Installation Instructions

D-26

D

Shaft tolerance Hub toleranceh6 T7k6 R7m6 P7n6 N7p6 M7

1. Installation of the hubs on the machine shafts.

a) Straight shafts with keyway.Lovejoy/Jaure supplies inch dimensioned hub bores to AGMA 9002-A96 interference fit.

b) Metric bored straight shafts.

Lovejoy supplies disc hubs machined with clearance to H7 or interference to P7. Lovejoy/Jaure recommends that the shaft should be machined for aninterference fit using tolerance s6 (ISO-286). Whenever shafts are already machined with a different tolerance from s6, Lovejoy will customize the hub bores.The following tolerances are recommended by Lovejoy.

c) Clamping devices.

When clamping devices such as tapered bushings, shrink discs or locking rings are used, please contact the Lovejoy Application Engineering Department.

2. Machinery Alignment.

As long as the machines are aligned within the mounting specifications from this catalog, the disc couplings will operate for a long time. However, it should beunderstood that the useful life of any disc pack coupling is directly influenced by the operating misalignment: the better the alignment, the longer the couplinglife.

Although the disc couplings can operate satisfactorily at the misalignment listed in the catalog, both the coupling life and machine bearing wear can be greatlyimproved if the machines are aligned better than the maximum value that the coupling can accommodate. Lovejoy/Jaure recommends that the workingmisalignment should not exceed 20% of the catalog values. Therefore, the following formulas show Lovejoy/Jaure´s recommendations for maximummisalignment.

Three types of machine misalignment (offset, angular and axial) should be checked. Lovejoy/Jaure has the following recommendations:

� The maximum offset misalignment that the disc coupling can accommodate is a function of the distance between the disc packs. For the configurationsSX, this distance is practically the same as the distance between the shaft ends. This statement is not valid for other configurations, such as SXC, DI,SXGS, and DIR.

If shafts have an offset misalignment with minimum angular misalignment, the following maximum values for the offset are applicable.

Disc with 6 bolts TIR ≤( disc pack to disc pack distance ) / 150Disc with 8 bolts TIR ≤ ( disc pack to disc pack distance ) / 300Disc with 10 bolts TIR ≤ ( disc pack to disc pack distance ) / 350(NOTE: TIR is the Total Indicator Reading, which is twice the shaft offset )

Installation of hubs. Machinery alignment.Installation of disc packs and spacer.

Disc Couplings

D-27

Installation Instructions

D

The maximum angular misalignment at each disc pack is listed in the tables. This angular misalignment can be verified by measuring the flange-to-flangedistance (see figure below) and subtracting the smallest reading from the largest reading (Y-Z). The maximum value of (Y-Z) depends on the flange diameterand therefore on the coupling size. Based on the data from the tables, the following maximum values for (Y-Z) are recommended:

Disc with 6 bolts (Y-Z) ≤ Coupling size / 7620Disc with 8 bolts (Y-Z) ≤ Coupling size / 15420Disc with 10 bolts (Y-Z) ≤ Coupling size / 17780

Example: For Disc size 380-6 ( maximum angular misalignment of 1° ). (Y-Z) should not exceed 380/7620 = .05 inch.

The axial displacement allowable between shafts during installation should not exceed 20% of the allowable displacement given in the catalog. Thisdisplacement is a function of the coupling size and the number of bolts utilized. The larger the size, the larger axial displacement. The axial displacementcreates large stresses in the discs. For a long life, it is recommended that the discs are as close as possible to being flat. Therefore, the movements of theshafts as caused by thermal expansion should be carefully considered. For instance, if the distance between shaft ends changes by .196 in. (the shafts arecoming closer to each other) from cold to hot machines, the distance between shaft ends with cold machines should intentionally be made larger by .196 in.when the coupling is installed.

3. Installation of disc packs and spacer.The installation of the coupling components depends on the type of disc coupling: the only tools needed are regular wrenches or sockets and a torque wrench.Tightening the bolts of a coupling to specification is very important.

Disc Pack Bolt Tightening Torque (dry thread)For all styles

Size Nm ft-lbs90 13 9.6110 30 22132 30 22158 60 44185 100 74202 150 111228 230 170255 450 332278 450 332

Size Nm ft-lbs90-6 15 11110-6 35 26132-8 35 26158-6 69 51185-6 120 89202-6 190 140228-6 295 218255-8 580 428278-6 580 428

Size Nm ft-lbs302-6 780 575325-6 780 575345-8 580 428380-6 780 575410-6 1000 738440-6 1500 1106475-6 2000 1475505-6 2000 1475

Size Nm ft-lbs278-8 108 80302-8 108 80325-8 325 240345-8 325 240380-8 325 240410-8 565 417

Size Nm ft-lbs475-8 660 487505-8 660 487540-8 760 551570-8 760 561605-8 760 561

Size Nm ft-lbs302 600 443325 600 443345 780 575380 1,100 811410 1,500 1,106440 2,000 1,475475 2,600 1,918505 3,300 2,434

Size Nm ft-lbs540 4,100 3,024570 5,100 3,762605 6,200 4,573635 7,600 5,606675 9,900 7,302700 12,200 8,999730 12,200 8,999760 14,800 10,916

Note: For lubricated threads, multiply the values by 0.8.

Spacer and Flange Bolt Rightening Torque (dry thread)For styles SXGS, DILR, and DIR styles

Hub Bolt Tightening Torque for styles DI-6 and DI-8

Size Nm ft-lbs132-6/ 1 15 11

158-6/ 1.5 47 35185-6/ 2 106 78

202-6/ 2.5 197 145255-6/ 3 197 145

278-8/ 3.5 298 220

Size Nm ft-lbs302-8/ 4 298 220

325-8/ 4.5 298 220345-8/ 5 412 304

380-8/ 5.5 412 304410-8/ 6 412 304540-8/ 7 412 304



Disc Couplings Installation Instructions

D-28

D

a) Standard configuration. SX and SXO types.The only bolts to be installed and tightened are the ones that attach the disc packs to the hubs and spacer. Place the spacer and install the bolts with theirheads at the flange and not at the disc pack. The nuts shall be turned with the torque wrench to the specified torque, while the heads of the bolts are heldstationary.

b) Close coupled configuration. SXC and SXCO types.The SXC coupling type was created for use with machines that have the shafts too close for the use of the standard SX coupling. The outside diameter of thehubs was reduced to be inserted in the inside of the hole of the disc pack.

To install the hubs on their shafts, the shafts must be spaced apart at least the length of one hub (see dimension LS in the table). To install the coupling, thedisc packs can be first attached with their bolts to the spacer, then slide over one of the hubs and attached to it. Next, the machines must be brought inposition so that the second disc pack can be attached to its hub.

The machine alignment can now be performed. Because the spacer covers the shaft ends, the axial spacing must be checked by measuring the flange toflange distance (dimension “PW” in tables). The offset and angular misalignments can be checked as previously described.

The bolts that attach the disc packs to the hubs and spacer must be tightened to specification (using a torque wrench at the nuts) while the bolt heads are heldstationary.

c) Drop-out configuration. DI type.The drop-out configuration allows the installation and removal of the coupling assembly without the need to remove the hubs from their shafts. The coupling isreceived from Lovejoy/Jaure fully assembled with the bolts tightened to specifications. If, however, there is a need to disassemble the coupling assembly (incase the disc packs need to be replaced) the nuts should be tightened to specification using a torque wrench while the bolt heads are held stationary.Machine alignment should be done before the coupling assembly is in place.

The coupling assembly will not fit between the hubs as long as the shaft-to-shaft distance was correctly set. The coupling ends should be brought together bycompressing the disc packs using the shipping screws so that the assembly will fit between the male rabbets.

Once in position, the coupling will snap in place and the bolts that attach the assembly to the shaft hubs must be tightened to Lovejoy/Jaure specifications usinga torque wrench. This operation must be carefully performed as these bolts transmit the full coupling torque.

To remove the coupling assembly, first remove all the bolts that retain it to the hubs. Then compress the assembly by introducing the existing flange bolts in theshipping holes and press the coupling away from the male rabbets.

d) Reduced moment coupling with spacer according to AGMA 516, SXGS type.The reduced moment configuration is used whenever the shaft stresses require that the center of gravity of the coupling is very close to the machine bearings.This configuration also allows either machine to be removed by dropping the spacer without the need to disturb the disc-pack assemblies.

The installation of this coupling requires the following steps:� Install the hubs on their shafts.� Measure and adjust the shaft-to-shaft (BSE) distance.� Align the machine shafts as previously described.� Attach one disc pack and a short sleeve at each hub, by tightening the nuts to specifications, while holding the bolt heads stationary.� Place the spacer between the two sleeves. It should fit without interference or without a gap remaining between the flanges. Correct the machine spacing if

necessary, as any axial displacement can adversely affect the coupling´s long term performance.� Insert the flange bolts and tighten the nuts to specifications using a torque wrench and adaptor while holding the bolt heads stationary.� Recheck the alignment and correct if necessary.

e) Drop-out coupling with floating assembly, flanges according to AGMA 516, DIR type.Machine alignment should be done before the coupling assembly is in place. The drop-out configuration allows the installation and removal of the couplingassembly without the need to remove the hubs from their shafts. The coupling is received from Lovejoy/Jaure fully assembled with the bolts tightened tospecifications. If, however, there is a need to disassemble the coupling assembly (in case the disc packs need to be replaced) the nuts should be tightened tospecification using a torque wrench while the bolt heads are held stationary.

The coupling assembly will fit between the hubs as long as the shaft-to-shaft distance was correctly set. Once in position, the nuts that attach the assembly tothe shaft hubs must be tightened to specifications using a torque wrench and adaptor while the bolt heads are held stationary. This operation must be carefullyperformed, as these bolts transmit the full coupling torque.

Lovejoy - Disc Coupling

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