POWERDRIVE Chain Coupling Sprocket,Bore 1 1/4 In

Chain Coupling Sprocket, Chain Number 40, Bore Diameter 1 1/4 in, Bore Type Round Keyed, Horsepower @ 100 RPM 4.14 hp, Outside Diameter with Chain 3 in, Hub Diameter 1 3/8 in, For Chain Pitch 1/2 in, Keyway Depth 1/8 in, Keyway Width 1/4 in, Maximum Angular Misalignment 1 Degrees , Number of Teeth 16, Parallel Misalignment 0.005 in, System of Measurement Inch, Axial Motion 0.06 in, For Cover Part Number AL40, Horsepower @ Maximum RPM 16.9 hp @ 4,000 RPM