'Sleeve Coupling Insert, 8JN Body Style, Insert Material Neoprene, Insert Design One-Piece Solid, Outside Dia. 5.06 In., Rated Torque 1475 in.-lb., Max. RPM 4500, Width 2.50 In., 2.34, 28.08, 42.13, 84.25, 0 Degrees to 200 Degrees F, Motors, Pumps, Compressors, Blowers, Mixers and Conveyors'