1210X5/8-A Taper Lock Bushing, Bushing Type Taper Lock, Bore Diameter 5/8 in, Length 1 in, Bolt Circle Diameter 1.75 in, Bolt Size Not Applicable, System of Measurement Inch, Fastener Tightening Torque Capacity 3,600 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 1.875 in, Taper 8 Degrees