Grid Coupling Hub System of Measurement Inch Screw Thread Size M10 Outside Diameter 5.59 in Features Design Flexibility Horizontally Split Cover Stop Lug in Cover Prevents Spinning During Reversing Service Maximum Torque 55 582 in-lb For Misalignment Type Angular Parallel Included Screws Set Screw Bore Type Round with Keyway Application For Limited Space General Purpose Maximum Speed 2 440 RPM Standards AGMA Bore Diameter 3 15/16 in Weight 22 lb Length through Bore 4 3/4 in