Sleeve Coupling Insert Coupling Size 3 Maximum Speed 9 200 RPM Maximum Torque 78 in-lb Outside Diameter 1 7/8 in Insert Construction 1-Piece Split Angular Misalignment 1 Degrees Horsepower @ 100 RPM 0.12 hp Insert Material EPDM Insert Width 1 in Parallel Misalignment 0.01 in System of Measurement Inch Torsional Stiffness 229 in-lb/rad Application Blowers Compressors Conveyors Mixers Motors Pumps Maximum Operating Temperature 275 Degrees F