Tire Coupling Element Angular Misalignment 3 Degrees Coupling Size WE40 Horsepower @ 100 RPM 8.9 hp Maximum Speed 5 000 RPM Maximum Torque 5 500 in-lb Maximum Hub Spacing 0.25 in Tire Outside Diameter 9.71 in Element Overall Length 8.16 in Parallel Misalignment 0.09375 in Element Type Standard Center Element Weight 8 lb Application Blowers Compressors Fans Generators Numerous Industrial Applications Including Pumps Motors Element Flex Material Polyether Urethane