JWC-CR Series

  • Coupling assembled by pressing a polyurethane sleeve into hub on both sides
  • Can absorb vibration, parallel, and angular misalignment as well as shaft end-play
  • Identical clockwise and counterclockwise rotational characteristic
  • Resistance to oil and electrical insulation
  • Aluminum Alloy Body, Polyurethane Sleeve
  • Clamp type
  • Errors of Eccentricity: 0.02 mm
  • Errors of Angularity: 1.0º
  • Errors of Shaft End-Play: +0.60 mm

Technical Properties

Part #Rated Torque
Max. Torque
Max. Speed
Moment of Inertia
Static Torsional Stiffness
JWC14CR1.12.2190005.9 x 10-44626
JWC20CR2.85.6170006.5 x 10-45537
JWC25CR6.012160007.6 x 10-46342
JWC30CR6.513120008.5 x 10-47250
JWC40CR3264100001.1 x 10-3550156
JWC55CR469280004.4 x 10-31500362
JWC65CR10921860009.0 x 10-32800582
JWC80CR13527046001.8 x 10-23500966
JWC95CR26052038002.0 x 10-246001820
JWC105CR43086034003.2 x 10-258002430


Part #D (mm)d1/d2 (mm)L (mm)L1 (mm)L2 (mm)L3 (mm)Clamp Screw ThreadClamp Screw Wrench Torque (Nm)
JWC14CR142 ~ 722763.5M2.51
JWC20CR204 ~ 10301085.0M31.3
JWC25CR254 ~ 123411105.0M41.5
JWC30CR308 ~ 163511105.0M41.7
JWC140CR4014 ~ 2466251210M68.0
JWC155CR5514 ~ 2878301410.5M68.0
JWC65CR6519 ~ 3890351511.5M815
JWC80CR8024 ~ 45114451815.5M815
JWC95CR9530 ~ 5512650218M1025
JWC105CR10535 ~ 60140562121M1235


Mach Motion Products Coupling Catalog: Mach Coupling Catalog.pdf