Jaw Coupling Hub Coupling Size L070 Outside Diameter 1 23/64 in Coupling Overall Length 2 in System of Measurement Inch Hub Material Carbon Steel Maximum Speed 14 000 RPM Horsepower @ 100 RPM 0.069 hp (Buna-N Spider) 0.1 hp (Urethane Spider) 0.18 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 L070H L070N L070U Screw Thread Size 1/4 In.-20 UNC 2B