Keyless Bushing Flange Type Not Applicable For Bore Diameter 2 1/4 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 3 17/32 in Overall Width 2.913 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 20 010 psi Maximum Transmitted Torque 4 341 ft-lb Outside Diameter Tolerance +0.002 in