Jaw Coupling Insert Coupling Size L225 Outside Diameter 4 61/64 in System of Measurement Inch Maximum Speed 4 600 RPM Horsepower @ 100 RPM 5.6 hp Spider Material Polyurethane Maximum Torque 3 510 in-lb Parallel Misalignment 0.015 in Durometer Hardness 90A Axial Motion 0.015 in Angular Misalignment 1 Degrees For Minimum Hub Bore 5/8 in Application Close Coupling L-Type Color Blue Compatible Hub Manufacturer Part Number L225 Deform Torque 5 247 in-lb Fail Safe Yes