Rexnord Beam Coupling, 137mm Outside Diameter, 48mm Bore, 100mm Length Coupler / 8087165

One complete coupling requires the purchase of two hubs and a polymer connecting element. Rexnord Omega Elastomer Coupling - Steel Hub Taper Lock. "This elastomeric coupling hub is low maintenance requiring no lubrication. The soft polymer element (sold separately) is able to cope with, and correct for considerable mis-alignment. 2 piece polymer elements allow for quick removal and replacement without the need to disturb the hubs, shaft or remove equipment from its mountings. Suitable for a diverse range of applications including centrifugal compressors and blowers, metal extruders, cooling towers, reciprocating pumps and forced draft fans. ". Features and Benefits. Element E (short) and ES (long) available For applications up to 7,500 rpm Low maintenance ATEX