Hytrel Spider Insert, Coupling Size L190, Outside Diameter 4 15/32 in, System of Measurement Inch, Maximum Speed 5, 000 RPM, Horsepower @ 100 RPM 7.4 hp, Spider Material Hytrel, Maximum Torque 4, 680 in-lb, Parallel Misalignment 0.015 in, Durometer Hardness 55D, Angular Misalignment 0.5 Degrees, For Minimum Hub Bore 3/4 in, Application Cranes, Generators, Mills, Color White, Compatible Hub Manufacturer Part Number L190, Fail Safe Yes, For Maximum Hub Bore 2 1/8 in. This item has been restricted from sale in the following state (s): []