Jaw Coupling Hub Coupling Size L075 Outside Diameter 1 3/4 in Coupling Overall Length 2 1/8 in System of Measurement Inch Hub Material Carbon Steel Maximum Speed 11 000 RPM Horsepower @ 100 RPM 0.14 hp (Buna-N Spider) 0.21 hp (Urethane Spider) 0.36 hp (Hytrel Spider) Keyway Depth 3/32 in Keyway Width 3/16 in Bore Diameter 5/8 in Shaft Locking Type Set Screw Bore Type Round Bore with Keyway Jaw Profile Straight Compatible Center Element Manufacturer Part Number L075H L075N L075U