Sleeve Coupling Insert, Coupling Size 11, Maximum Speed 3,600 RPM, Maximum Torque 5,890 in-lb, Outside Diameter 8 3/16 in, Insert Construction 2-Piece with Retaining Ring, Angular Misalignment 1 Degrees , Horsepower @ 100 RPM 9.4 hp, Insert Material Neoprene, Insert Width 4 in, Parallel Misalignment 0.032 in, System of Measurement Inch, Torsional Stiffness 17,300 in-lb/rad, Application Blowers, Compressors, Conveyors, Mixers, Motors, Pumps, Maximum Operating Temperature 200 Degrees F