Keyless Bushing Flange Type Flanged For Bore Diameter 22 mm Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 1 9/16 in Overall Width 30 mm System of Measurement Metric Finish Oil Dipped Hub Contact Pressure 27 347.199 psi Maximum Transmitted Torque 190 ft-lb Outside Diameter Tolerance +0/-.002 in