Keyless Bushing Flange Type Not Applicable For Bore Diameter 3 7/16 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 5 7/64 in Overall Width 3.543 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 21 441 psi Maximum Transmitted Torque 13 064 ft-lb Outside Diameter Tolerance +0.003 in