Quick Detachable Bushing, Bushing Type Quick Detachable, Bore Bushing Series SF, Bore Diameter 55 mm, Length 2 in, Bolt Circle Diameter 3.88 in, Bolt Size 3/8 In.-16 x 2 in, System of Measurement Metric, Bushing Diameter 3.125 in, Flange Type Split, Flange Width 1/2 in, For Shaft Type Keyed, Includes (3) Cap Screws, Keyway Height 4.5 mm, Keyway Width 16 mm, Length Less Flange 1.5 in, Material Steel, Overall Diameter 4.625 in, SAE Grade 5, Taper 3/4 in Per ft