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 Carbon 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) Bore Diameter 1/2 in Shaft Locking Type Set Screw Bore Type Round Bore Jaw Profile Straight Compatible Center Element Manufacturer Part Number L095H L095N L095U Screw Thread Size 5/16 In.-18 UNC 2B