Sleeve Coupling Insert, Coupling Size 4, Maximum Speed 7, 600 RPM, Maximum Torque 156 in-lb, Outside Diameter 2 5/16 in, Insert Construction 2-Piece with Retaining Ring, Angular Misalignment 1 Degrees, Horsepower @ 100 RPM 0.25 hp, Insert Material EPDM, Insert Width 1 1/4 in, Parallel Misalignment 0.01 in, System of Measurement Inch, Torsional Stiffness 458 in-lb/rad, Application Blowers, Compressors, Conveyors, Mixers, Motors, Pumps, Maximum Operating Temperature 275 Degrees F. This item has been restricted from sale in the following state (s): []