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LoveJoy 68514476990 BWC21 CPLG 3MM X 3MM

BRAND: LoveJoy | MODEL: 68514476990 | CONDITION: NEW | SKU: 1795383
LoveJoy 68514476990 BWC21 CPLG 3MM X 3MM

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Weight: 0.02 lbs UOM: EA

Additional Description



    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.
Description BWC21 CPLG 3MM X 3MM
Coupling SizeBWC21
TypeStandard Bellows Coupling
Bellows MaterialStainless Steel
Hub MaterialAluminum
ApplicationMotion Control
Weight0.02 oz
Weight (Complete Coupling w/ Min. Bores)0.30 oz9.00 g
Dimensional Data
Bore A3.00 mm
Bore B3.00 mm
Overall Length0.827 in21.000 mm
Keyway SizeNo Keyway
Outside Diameter0.591 in15.00 mm
Min. Bore (Dimensions ID1/ID2)0.118 in3.00 mm
Max. Bore (Dimensions ID1/ID2)0.256 in6.50 mm
Length thru Bore0.276 in7.00 mm
Clamp Screw SizeM2
Cubic inches0.28886 in³
Performance Data
Max. Operating Temperature212.00 ºF
Max. Speed15000 rpm
Nominal Torque3.54 in·lb
Angular Misalignment1.20 º
Axial Misalignment0.0090 in
Parallel Misalignment0.004 in
Moment of Inertia0.0090 lb·in²
Torsional Stiffness2248.00 in·lb/rad
  • High torsional stiffness
  • Low reactionary loading
  • No maintenance required
  • Low inertia
  • Nominal torque, torsional stiffness, weight and moment of inertia are based on minimum bore size.