Quick Detachable Bushing Bushing Type Quick Detachable Bore Bushing Series SH Bore Diameter 28 mm Length 1.25 in Bolt Circle Diameter 2.25 in Bolt Size 1/4 In.-20 x 1-3/8 in System of Measurement Metric Bushing Diameter 1.871 in Flange Type Split Flange Width 3/8 in For Shaft Type Keyed Includes (3) Cap Screws Keyway Height 3.5 mm Keyway Width 8 mm Length Less Flange 0.875 in Material Steel Overall Diameter 2.688 in SAE Grade 5 Taper 3/4 in Per ft