Keyless Bushing Flange Type Flanged For Bore Diameter 35 mm Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 2 1/8 in Overall Width 33 mm System of Measurement Metric Finish Oil Dipped Hub Contact Pressure 25 309.152 psi Maximum Transmitted Torque 505 ft-lb Outside Diameter Tolerance +0/-.002 in