Tire Coupling Element, Angular Misalignment 4 Degrees , Coupling Size WE5, Horsepower @ 100 RPM 1.5 hp, Maximum Speed 7,500 RPM, Maximum Torque 925 in-lb, Maximum Hub Spacing 0.25 in, Tire Outside Diameter 5.4 in, Element Overall Length 5.3 in, Parallel Misalignment 0.0625 in, Element Type Standard Center Element, Weight 2 lb, Application Blowers, Compressors, Fans, Generators Numerous Industrial Applications, Including Pumps, Motors, Element Flex Material Polyether Urethane