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Zero Backlash Couplings
 
BC - Clamp Style Bellows Coupling
  • High torque
  • Balanced for high RPM
  • Low Inertia
  • No maintenance
  • High torsional stiffness
  • Constant velocity
  • Long life
  • Zero backlash
Clamp Style Bellows Couplings
Set Screw Bellows Couplings
 
PART NUMBER

BORE 1 (in)

 BORE 2 (in) OD (in) LENGTH L (in) CLAMP SCREW SET SCREW HUB WIDTH L1 (in) STATIC TORQUE (lb-in)  TORSIONAL STIFFNESS (lb-in/Deg)  MISALIGNMENT
ANGULAR (Deg) PARALLEL (in) AXIAL MOTION (in)
BC10 2 (.1250) 2 (.1250) .590 1 M2 M3 .340 22 72
1.50 .004 .008
3 (.1875) 3 (.1875)
4 (.2500) 4 (.2500)
BC12 3 (.1875) 3 (.1875) .750 1 3/16 M2.5 M3 .410 40 120
1.50 .004 .010
4 (.2500) 4 (.2500)
5 (.3125) 5 (.3125)
BC16 4 (.2500) 4 (.2500) 1.000 1 5/16 M3 M4 .467 60 244
1.50 .004 .012
5 (.3125) 5 (.3125)
6 (.3750) 6 (.3750)
8 (.5000) 8 (.5000)
BC21 5 (.3125) 5 (.3125) 1.313 1 9/16 M3 M4 .590 120 400
1.50 .006 .016
6 (.3750) 6 (.3750)
8 (.5000) 8 (.5000)
10 (.6250) 10 (.6250)
BC26 6 (.3750) 6 (.3750) 1.625 2 M4 M5 .710 250 550
2.00 .010 .020
8 (.5000) 8 (.5000)
10 (.6250) 10 (.6250)
12 (.7500) 12 (.7500)
BC32 8 (.5000) 8 (.5000) 2.000 2 5/16 M5 M6 .810 400 950
2.00 .010 .020
10 (.6250) 10 (.6250)
12 (.7500) 12 (.7500)
14 (.8750) 14 (.8750)
16 (1.0000) 16(1.0000)

 

Note 1 Static torque ratings are at maximum misalignment. To obtain dynamic rating, static ratings should be divided by 2 for non-reversing applications and by 4 for reversing applications.
Note 2 Performance ratings are for guidance only. The user must determine suitability for a particular application.

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