Shaft Coupler Body, Coupling Size L075, Outside Diameter 1 3/4 in, Coupling Overall Length 2 1/8 in, System of Measurement Inch, Hub Material Sintered Iron, Maximum Speed 11, 000 RPM, Horsepower @ 100 RPM 0.14 hp (Buna-N Spider), 0.21 hp (Urethane Spider), 0.36 hp (Hytrel Spider), Bore Diameter 1/2 in, Shaft Locking Type Set Screw, Bore Type Round Bore, Jaw Profile Straight, Compatible Center Element Manufacturer Part Number L075H, L075N, L075U, Screw Thread Size 1/4-20 UNC