Bellow Couplings assemble onto existing equipment.

Press Release Summary:




BK2 series couplings are made with split hub and stainless steel bellow. Hub allows user to assemble coupling on existing equipment where shaft ends cannot be moved. Stainless steel bellow has high torsional rigidity with zero backlash; can compensate for axial, angular, and lateral misalignment simultaneously; and has low moment of inertia. Shaft hubs are bored for shaft diameters from 0.12 to 3.13 in. Torque capacities are 18 to 13,275 in.-lb.



Original Press Release:



High-Precision Bellow Coupling Series BK2 "Split Hub" Design



Taking up the challenge for greater technical demands in modern machine design and construction, R+W has developed its BK2 series "Split-Hub" Bellow Couplings. These unique couplings are manufactured with a Split Hub and a stainless steel bellows. This hub design allows the user to assemble the coupling on existing equipment where shaft ends cannot be moved to accommodate assembly of couplings with a one piece hub.

The stainless steel bellow exhibits very high torsional rigidity with zero backlash. The bellow can compensate for axial, angular, and lateral misalignment simultaneously and has a very low moment of inertia.

The shaft hubs are custom bored of each side for shaft diameters from 3 to 80 mm (0.12 to 3.13 in.) with or without keyways.

Sizes are available for torque capacities ranging from 2 to 1,500 Nm (18 to 13,275 in. lbs.).

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