Sleeve Coupling Insert Coupling Size 6 Maximum Speed 6 000 RPM Maximum Torque 585 in-lb Outside Diameter 3 3/4 in Insert Construction - New 2-Piece with Retaining Ring Angular Misalignment 1 Degrees Horsepower @ 100 RPM 0.93 hp Insert Material EPDM Insert Width 1 7/8 in Parallel Misalignment 0.015 in System of Measurement Inch Torsional Stiffness 1 718 in-lb/rad Application Blowers Compressors Conveyors Mixers Motors Pumps Maximum Operating Temperature 275 Degrees F