Jaw Coupling Hub Coupling Size L099 Outside Diameter 64 mm Coupling Overall Length 73 mm System of Measurement Metric Hub Material Carbon Steel Maximum Speed 7 000 RPM Horsepower @ 100 RPM 0.51 hp (Buna-N Spider) 0.77 hp (Urethane Spider) 1.3 hp (Hytrel Spider) Keyway Depth 2.8 mm Keyway Width 6 mm Bore Diameter 20 mm Shaft Locking Type Set Screw Bore Type Round Bore with Keyway Jaw Profile Straight Compatible Center Element Manufacturer Part Number L099H L099N L099U