Hytrel Spider Insert, Coupling Size L150, Outside Diameter 3 23/32 in, System of Measurement Inch, Maximum Speed 5, 000 RPM, Horsepower @ 100 RPM 5.9 hp, Spider Material Hytrel, Maximum Torque 3, 708 in-lb, Parallel Misalignment 0.015 in, Durometer Hardness 55D, Angular Misalignment 0.5 Degrees, For Minimum Hub Bore 5/8 in, Application Cranes, Generators, Mills, Color White, Compatible Hub Manufacturer Part Number L150, Fail Safe Yes, For Maximum Hub Bore 1 7/8 in. This item has been restricted from sale in the following state (s): []