2517X3/4-A Taper Lock Bushing, Bushing Type Taper Lock, Bore Diameter 3/4 in, Length 1.75 in, Bolt Circle Diameter 3.25 in, Bolt Size Not Applicable, System of Measurement Inch, Fastener Tightening Torque Capacity 11,300 in-lb, Flange Type Flangeless, Flange Width Not Applicable, For Shaft Type Keyed, Includes (2) Set Screws, Keyway Height 1/16 in, Keyway Width 3/16 in, Length Less Flange Not Applicable, Material Steel, Overall Diameter 3.375 in, Taper 8 Degrees