1610X1-A Taper Lock Bushing, Bushing Type Taper Lock, Bore Diameter 1 in, Length 1 in, Bolt Circle Diameter 2.13 in, Bolt Size Not Applicable, System of Measurement Inch, Fastener Tightening Torque Capacity 4,300 in-lb, Flange Type Flangeless, Flange Width Not Applicable, For Shaft Type Keyed, Includes (2) Set Screws, Keyway Height 1/8 in, Keyway Width 1/4 in, Length Less Flange Not Applicable, Material Steel, Overall Diameter 2.25 in, Taper 8 Degrees