Sleeve Coupling Flange Coupling Size 9 Maximum Speed 3 750 RPM Maximum Torque 2 340 in-lb Outside Diameter 6 11/32 in Bore Type Quick Disconnect Bushing Hub Diameter 6 11/32 in Hub Material Cast Iron For Bushing Size SD Bore Diameter Not Applicable Length through Bore 1 13/16 in System of Measurement Inch Hub Body Length 1 1/32 in Hub Type Flange Hub Application Compressors Conveyors Motors Pumps Bore Tolerance Not Applicable