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BKC | Compact Clamping Hub Coupling

The BKC coupling is designed with a single ISO 4762 radial clamping screw per hub.
This is a compact, easy mount coupling with a low moment inertia rating. It's compact form makes it ideal for applications where space is limited. It has a wide operating temperature range from -30 to 100 degrees Celsius. There is absolutely no backlash due to the frictional clamp type connection. These couplings have an infinite lifespan and are maintenance-free if the technical ratings are not exceeded.
The bellows are made of highly flexible high-grade
 stainless steel (See table for hub materials). R+W's BKC is made to operate at speeds up to 10,000 rpm, in excess of 30,000 available with a finely balanced version. Custom designs with varied tolerances, key-ways, non-standard material, bellows and ATEX designs are available upon request.
Self opening clamp system optional: Loosening the clamping screw applies force to the pin, which will force the clamp into the open position for easy mounting and dismounting.

COMPACT METAL BELLOWS COUPLING
WITH CLAMPING HUB

15-500 NM

BKC Diagram

BKC Series Variants

*See above picture for reference

ItemTorque(Nm)Length (mm)Fit Length (mm)I.D. possible Ø - Ø H7 (mm)O.D. (mm)MomentInertiaWeight (kg)TorsionStiffnessAxial(mm)Lateral(mm)Angular(deg)AxialSpringStiffness(N/mm)LateralSpringStiffness(N/mm)Fastening screwTorque (Screw)Distance (mm) FDistance (mm) GHub Material
BKC-15154816,58-28490,050,132310,2130315M5817,56,5Aluminium

BKC-3030582112-32560,10,213110,2150366M615207,5Aluminium

BKC-6060672314-35660,260,37721,50,2167679M840239,5Aluminium

BKC-1501507827,519-42820,650,7214120,2177960M10752711Aluminium

BKC-300300943424-601106,33,2615720,211122940M121203913Steel

BKC-5005001003432-7512393,522902,50,21722200M121254513Steel



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