Flexible coupling BK8 series

bellowsshaftflange

Bellows coupling with ISO flange mounting Features Compact simple design Small installation space For ISO flange output gearboxes Temperature range -30 °C to +100 °C (-22 °F to +212 °F) Design One clamping hub on one end with an integral flange and adapter flange on the other end Brief overloads of up to 1.5x the rated torque are acceptable. Material Bellows: high grade stainless steel Hubs: up to series 300 – aluminum from 1500 series – steel Adapter flange: steel Properties General information Service life R+W bellows couplings are fatigue resistant and wear free for an infinite service life, as long as the technical limits are not exceeded Fit clearance Overall shaft / hub clearance of 0.01 – 0.05 mm Special solutions Various materials, tolerances, dimensions and performance ratings available for custom applications on request ATEX (Optional) For use in hazardous zones 1/21 and 2/22, the metal bellows has been authorized under directive 94/9/EG and is available with certification