Jaw Coupling Insert Coupling Size L225 Outside Diameter 4 61/64 in System of Measurement Inch Maximum Speed 4 600 RPM Horsepower @ 100 RPM 9.9 hp Spider Material Hytrel Maximum Torque 6 228 in-lb Parallel Misalignment 0.015 in Durometer Hardness 55D Axial Motion 0.015 in Angular Misalignment 0.5 Degrees For Minimum Hub Bore 5/8 in Application Close Coupling L-Type Color Tan Compatible Hub Manufacturer Part Number L225 Deform Torque 9 454.5 in-lb Fail Safe Yes