Oil Resistant Spider Insert Coupling Size FC15 Outside Diameter 1 1/2 in System of Measurement Inch Maximum Speed 3 450 RPM Horsepower @ 100 RPM 0.2 hp Spider Material Rubber Maximum Torque 125 in-lb Parallel Misalignment 0.002 in Angular Misalignment 1.5 Degrees Color Black Compatible Hub Manufacturer Part Number FC15 Fail Safe Yes For Misalignment Type Angular Parallel Horsepower @ RPM 2.3 hp @ 1150 RPM Maximum Operating Temperature 200 Degrees F