Keyless Bushing Flange Type Flanged For Bore Diameter 1 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 1 11/16 in Overall Width 1.181 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 31 582.067 psi Maximum Transmitted Torque 293 ft-lb Outside Diameter Tolerance +0/-.002 in