Taper Lock Bushing Bushing Type Taper Lock Bore Bushing Series 3525 Bore Diameter 2 1/2 in Length 2.5 in Bolt Circle Diameter 4.83 in Bolt Size Not Applicable System of Measurement Inch Fastener Tightening Torque Capacity 44 800 in-lb Flange Type Flangeless Flange Width Not Applicable For Shaft Type Keyed Includes (3) Set Screws Keyway Height 5/16 in Keyway Width 5/8 in Length Less Flange Not Applicable Material Steel Overall Diameter 5 in Taper 8 Degrees