Taper Lock Bushing Bushing Type Taper Lock Bore Bushing Series 2517 Bore Diameter 40 mm Length 1.75 in Bolt Circle Diameter 3.25 in Bolt Size Not Applicable System of Measurement Metric 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 3.5 mm Keyway Width 12 mm Length Less Flange Not Applicable Material Steel Overall Diameter 3.375 in Taper 8 Degrees