Taper Lock Tire Coupling Hub Angular Misalignment 3 Degrees Coupling Size WE20 Horsepower @ 100 RPM 3.7 hp Maximum Speed 6 600 RPM Bore Type Taper Lock Bushing For Bushing Size TL1610 Maximum Torque 2 300 in-lb Keyway Depth Not Applicable Keyway Width Not Applicable Hub Diameter 4.48 in Parallel Misalignment 0.09375 in Bore Diameter Not Applicable Screw Thread Size Not Applicable Set Screw Location Not Applicable System of Measurement Inch Torsional Stiffness 27 600 in-lb/rad