Bellows Couplings BK

• easy to mount
• compact and cost effective
• low moment of inertia
• speeds up to 40,000 RPM available

Design:
With a single radial clamping screw per hub
ISO 4762. Any imbalance of the clamping hubs
is compensated for by balancing by bores located on the inside of the hub.

Temperature range:
-30 to +120° C (3.6 F to 270)

Backlash:
Absolutely backlash-free due to frictional clamp connection.

Fit tolerance:
On the hub/shaft connection 0.01 to 0.05 mm.

Service life:
R+W Bellows Couplings are maintenance-free and have an infinite life, if the technical ratings are not exceeded.

Material:
Bellows are made of flexible, high-grade stainless steel.
The hubs are made from aluminium.

Speeds:
Up to 10,000 rpm, in excess of 10,000 rpm available with finaly balanced version.

Non-standard application:
Custom designs with varied tolerances, keyways, non-standard material and bellows are available upon request.

Technical Data:

• rated torque from 15 - 1500 Nm
• shaft diameter from 8 - 80 mm