Sleeve Coupling Flange Coupling Size 6 Maximum Speed 6 000 RPM Maximum Torque 585 in-lb Outside Diameter 4 in Bore Type Quick Disconnect Bushing Hub Diameter 4 in Hub Material Cast Iron For Bushing Size JA Bore Diameter Not Applicable Length through Bore 1 in System of Measurement Inch Hub Body Length 25/32 in Hub Type Flange Hub Application Compressors Conveyors Motors Pumps Bore Tolerance Not Applicable