Bellows Couplings BK

• for axial mounting
• absolutely backlash-free
• torsionally rigid
• easy mounting and dismounting
• wear-free press-fit connection
• electrically and thermally insulated
• high degree of operating dependability

Design:
One side conical sleeve with 6 fastening screws ISO 4762 and 3 draw-off threads. One side with backlash-free tapered conical sleeve with press-fit connection and draw-off screws. More design details

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.

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

Service life:
The BK6 bellows couplings are maintenance-free and have an infinite life, if the tolerances are not exceeded.

Material:
Bellows made of highliy flexible, high-grade stainless steel; conical sleeves and tapered segment on bellows face are made of steel.

Tapered segment on hub face: glass-fiber reinforced plastic deposited onto a steel hub.

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 - 1500 Nm
• shaft diameter from 10 - 72 mm