Keyless Bushing Flange Type Not Applicable For Bore Diameter 1 15/16 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 3 9/64 in Overall Width 1.673 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 28 177.109 psi Maximum Transmitted Torque 109 ft-lb Outside Diameter Tolerance +0/-.002 in