Taper Lock Bushing Bushing Type Taper Lock Bore Bushing Series 1610 Bore Diameter 30 mm Length 1 in Bolt Circle Diameter 2.13 in Bolt Size Not Applicable System of Measurement Metric Flange Type Flangeless Flange Width Not Applicable For Shaft Type Keyed Includes (2) Set Screws Keyway Height 3.5 mm Keyway Width 8 mm Length Less Flange Not Applicable Material Steel Overall Diameter 2.25 in Taper 8 Degrees