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 Solid, Application For Limited Space, General Purpose, Maximum Speed 2,440 RPM, Standards AGMA, Weight 38 lb, Length through Bore 4 3/4 in, Coupling Overall Length 9.69 in