Tire Coupling Element Angular Misalignment 4 Degrees Coupling Size WE10 Horsepower @ 100 RPM 2.3 hp Maximum Speed 7 500 RPM Maximum Torque 1 450 in-lb Maximum Hub Spacing 0.25 in Tire Outside Diameter 6.48 in Element Overall Length 5.57 in Parallel Misalignment 0.0625 in Element Type Standard Center Element Weight 3 lb Application Blowers Compressors Fans Generators Numerous Industrial Applications Including Pumps Motors Element Flex Material Polyether Urethane