' Tire Coupling Element, WE4 Body Style, Insert Material Polyether Urethane/Steel, Insert Design Standard, Outside Dia. 4.52 In., Rated Torque 550 in.-lb., Max. RPM 7500, Length 3.06 In., Height 4.52 In., 0.88, 10.47, 15.71, 30.11, -40 Degrees to 200 Degrees F, Numerous Industrial Applications, Including Pumps, Motors, Compressors '