Keyless Bushing Flange Type Not Applicable For Bore Diameter 2 7/16 in Keyless Bushing Type Multi-Screw Locking Assembly Material Carbon Steel Outside Diameter 3 47/64 in Overall Width 0.945 in System of Measurement Inch Hub Contact Pressure 18 340 psi Maximum Transmitted Torque 2 170 ft-lb Outside Diameter Tolerance +0.0018 in