Hub, Elastomeric Coupling; 2-7/8" Bore; 6.02" Outside Diameter; 6.02" Hub Diameter; Shaft; Finished Bore; 2.53" Length Thru Bore; PS80 | PS90 Size or Series; No Bushing; Keyway; Ductile Iron Material; 3100 Maximum Speed; 4502In-Lbs Torque