Keyless Bushing Flange Type Not Applicable For Bore Diameter 3 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 4 23/32 in Overall Width 1.496 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 34 220.349 psi Maximum Transmitted Torque 381 ft-lb Outside Diameter Tolerance +0/-0.002 in