Sleeve Coupling Flange Coupling Size 10 Maximum Speed 3 600 RPM Maximum Torque 3 735 in-lb Outside Diameter 7 1/2 in Bore Type Round Keyed Hub Diameter 4 3/8 in Hub Material Cast Iron For Bushing Size Not Applicable Bore Diameter 1 5/8 in Length through Bore 2 23/32 in System of Measurement Inch Hub Body Length 13/16 in Hub Type Flange Hub Application Compressors Conveyors Motors Pumps Bore Tolerance +0.0005 in / +0.0015 in