Keyless Bushing Flange Type Not Applicable For Bore Diameter 1 1/2 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 2 15/16 in Overall Width 2.441 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 21 752 psi Maximum Transmitted Torque 2 026 ft-lb Outside Diameter Tolerance +0.002 in