Jaw Coupling Hub Coupling Size L050 Outside Diameter 27 mm Coupling Overall Length 43.7 mm System of Measurement Metric Hub Material Carbon Steel Maximum Speed 18 000 RPM Horsepower @ 100 RPM 0.042 hp (Buna-N Spider) 0.06 hp (Urethane Spider) 0.08 hp (Hytrel Spider) Keyway Depth 2.3 mm Keyway Width 5 mm Bore Diameter 16 mm Shaft Locking Type Set Screw Bore Type Round Bore with Keyway Jaw Profile Straight Compatible Center Element Manufacturer Part Number L050H L050N L050U