Sleeve Coupling Spacer Flange Coupling Size 7 Maximum Speed 5 250 RPM Maximum Torque 940 in-lb Outside Diameter 4 5/8 in Bore Type Not Applicable Hub Diameter 2 13/16 in Hub Material Cast Iron For Bushing Size Not Applicable Bore Diameter Not Applicable Length through Bore 2 1/16 in System of Measurement Inch Hub Body Length 29/32 in Application Compressors Conveyors Motors Pumps Bore Tolerance Not Applicable