Taper Lock Bushing Bushing Type Taper Lock Bore Bushing Series 4030 Bore Diameter 2 7/8 in Length 3 in Bolt Circle Diameter 5.54 in Bolt Size Not Applicable System of Measurement Inch Flange Type Flangeless Flange Width Not Applicable For Shaft Type Keyed Includes (3) Set Screws Keyway Height 3/8 in Keyway Width 3/4 in Length Less Flange Not Applicable Material Steel Overall Diameter 5.75 in Taper 8 Degrees