Quick Detachable Bushing Bushing Type Quick Detachable Bore Bushing Series SF Bore Diameter 1 7/8 in Length 2 in Bolt Circle Diameter 3.88 in Bolt Size 3/8 In.-16 x 2 in System of Measurement Inch Bushing Diameter 3.125 in Flange Type Split Flange Width 1/2 in For Shaft Type Keyed Includes (3) Cap Screws Keyway Height 1/4 in Keyway Width 1/2 in Length Less Flange 1.5 in Material Steel Overall Diameter 4.625 in SAE Grade 5 Taper 3/4 in Per ft