Grid Coupling Hub, System of Measurement Inch, Screw Thread Size M8, Outside Diameter 3 in, Features Design Flexibility, Horizontally Split Cover, Stop Lug in Cover Prevents Spinning During Reversing Service, Maximum Torque 6,054 in-lb, For Misalignment Type Angular, Parallel, Included Screws Set Screw, Bore Type Round with Keyway, Application For Limited Space, General Purpose, Maximum Speed 4,350 RPM, Standards AGMA, Bore Diameter 1 3/8 in, Weight 4.9 lb, Length through Bore 2 1/2 in