Bellows Couplings BK

• for hollow shaft mounting
• suited for space restricted installations
• easy mounting
• backlash-free and torsionally rigid

Design:
On one side with a single radial clamping screw ISO 4762. On one side an expanding shaft with tapered clamping element.

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

Backlash:
Absolutely backlash-free.

Brief overloads:
Acceptable up to 1.5 times the value specified.

Service life:
R+W Bellows Coupling BK7 are maintenance-free and have an infinite life, if the technical ratings are not exceeded.

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

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

Speeds:
Up to 10,000 rpm, in excess of 10,000 rpm available with a 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 - 300 Nm
• shaft diameter from 8 - 60 mm