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 7/8 in, Shaft Locking Type Set Screw, Bore Type Round Bore with Keyway, Jaw Profile Straight, Compatible Center Element Manufacturer Part Number L075H, L075N, L075U