Tire Coupling Spacer Element Angular Misalignment 3 Degrees Coupling Size WE50 Horsepower @ 100 RPM 12 hp Maximum Speed 3 100 RPM Maximum Torque 7 650 in-lb Maximum Hub Spacing 0.25 in Tire Outside Diameter 11.34 in Element Overall Length 12.31 in Parallel Misalignment 0.09375 in Element Type Spacer Center Element Weight 12.7 lb Application Blowers Compressors Fans Generators Numerous Industrial Applications Including Pumps Motors Element Flex Material Polyether Urethane