Jaw Coupling Hub, Coupling Size L090, Outside Diameter 2 7/64 in, Coupling Overall Length 2 1/8 in, System of Measurement Inch, Hub Material Carbon Steel, Maximum Speed 9,000 RPM, Horsepower @ 100 RPM 0.23 hp (Buna-N Spider), 0.35 hp (Urethane Spider), 0.64 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 L090H, L090N, L090U