Tire Coupling Element Angular Misalignment 3 Degrees Coupling Size WE30 Horsepower @ 100 RPM 5.8 hp Maximum Speed 5 800 RPM Maximum Torque 3 650 in-lb Maximum Hub Spacing 0.25 in Tire Outside Diameter 8.41 in Element Overall Length 7.61 in Parallel Misalignment 0.09375 in Element Type Standard Center Element Weight 5.5 lb Application Blowers Compressors Fans Generators Numerous Industrial Applications Including Pumps Motors Element Flex Material Polyether Urethane