Q1X1-3/8-A Split Taper Bushing, Bushing Type Split Taper, Bore Diameter 1 3/8 in, Length 2.5 in, Bolt Circle Diameter 3.38 in, Bolt Size Not Applicable, System of Measurement Inch, Bushing Diameter 2.875 in, Fastener Tightening Torque Capacity 348 in-lb, Flange Type Solid, Flange Width 17/32 in, For Shaft Type Keyed, Includes (3) Cap Screws, Keyway Height 3/16 in, Keyway Width 3/8 in, Length Less Flange 1.969 in, Material Steel, Overall Diameter 4.125 in, Taper 3/4 in Per ft