Taper Lock Tire Coupling Hub Angular Misalignment 1 Degrees Coupling Size WE60 Horsepower @ 100 RPM 20 hp Maximum Speed 3 800 RPM Bore Type Taper Lock Bushing For Bushing Size TL3020 Maximum Torque 12 500 in-lb Keyway Depth Not Applicable Keyway Width Not Applicable Hub Diameter 8.75 in Parallel Misalignment 0.125 in Bore Diameter Not Applicable Screw Thread Size Not Applicable Set Screw Location Not Applicable System of Measurement Inch Torsional Stiffness 167 000 in-lb/rad