Quick Detachable Bushing Bushing Type Quick Detachable Bore Bushing Series J Bore Diameter 3 3/4 in Length 4.5 in Bolt Circle Diameter 6.25 in Bolt Size 5/8 In.-11 x 4-1/2 in System of Measurement Inch Bushing Diameter 5.148 in Fastener Tightening Torque Capacity 55 000 in-lb Flange Type Split Flange Width 1 in For Shaft Type Keyed Includes (3) Cap Screws Keyway Height 7/16 in Keyway Width 7/8 in Length Less Flange 3.5 in Material Steel Overall Diameter 7.25 in