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    The BWC (Bellows Clamp) Series coupling provides a new range of coupling options with the high torsional stiffness. The higher torsional stiffness provides the benefit of accuracy and repeatability in motion control applications. The BWC series coupling features aluminum hubs and corrosion resistant steel bellow.

    The compact design also offers the benefit of low inertia. The BWC Series also has a torque capacity of up to 89 in-lbs, with a maximum bore capacity of .748 inches in diameter. The BWC utilizes clamping style hubs that provide easy installation and removal of the coupling. The bellows design also offers up to .016 inches of axial misalignment, with low reactionary loading on bearings.
Unit of Measure

Specifications

Description 

BWC32-CP-3/8X3/8

Coupling Size

BWC32

Type

Standard Bellows Coupling

Bellows Material

Stainless Steel

Hub Material

Aluminum

Style

Clamp

Application

Motion Control

Weight

0.08 oz

Weight (Complete Coupling w/ Min. Bores)

1.30 oz

Dimensional Data

Bore A

0.375 in

Bore B

0.375 in

Overall Length

1.260 in32.00 mm

Keyway Size

No Keyway

Outside Diameter

0.945 in24.00 mm

Min. Bore (Dimensions ID1/ID2)

0.118 in3.00 mm

Max. Bore (Dimensions ID1/ID2)

0.472 in12.00 mm

Length thru Bore

0.472 in12.00 mm

Clamp Screw Size

M3

Cubic inches

1.12521 in³

Performance Data

Max. Operating Temperature

212.00 ºF

Max. Speed

15000 rpm

Nominal Torque

17.70 in·lb

Angular Misalignment

1.20 º

Axial Misalignment

0.0120 in

Parallel Misalignment

0.004 in

Moment of Inertia

0.0850 lb·in²

Torsional Stiffness

13541.00 in·lb/rad

Features

Features 

  • High torsional stiffness
  • Low reactionary loading
  • No maintenance required
  • Low inertia

Notes

Notes 

  • Nominal torque, torsional stiffness, weight and moment of inertia are based on minimum bore size.