Jaw Coupling Hub, Coupling Size L095, Outside Diameter 2 7/64 in, Coupling Overall Length 2 1/2 in, System of Measurement Inch, Hub Material Stainless Steel, Maximum Speed 9,000 RPM, Horsepower @ 100 RPM 0.31 hp (Buna-N Spider), 0.47 hp (Urethane Spider), 0.89 hp (Hytrel Spider), Keyway Depth 3/32 in, Keyway Width 3/16 in, Bore Diameter 3/4 in, Shaft Locking Type Set Screw, Bore Type Round Bore with Keyway, Jaw Profile Straight