Taper Lock Bushing Bushing Type Taper Lock Bore Bushing Series 2517 Bore Diameter 1 5/16 in Length 1.75 in Bolt Circle Diameter 3.25 in Bolt Size Not Applicable System of Measurement Inch Fastener Tightening Torque Capacity 11 300 in-lb Flange Type Flangeless Flange Width Not Applicable For Shaft Type Keyed Includes (2) Set Screws Keyway Height 3/16 in Keyway Width 3/8 in Length Less Flange Not Applicable Material Steel Overall Diameter 3.375 in Taper 8 Degrees