Oil Resistant Spider Insert Coupling Size FC30 Outside Diameter 3 in System of Measurement Inch Maximum Speed 3 450 RPM Horsepower @ 100 RPM 1.30 hp Spider Material Rubber Maximum Torque 800 in-lb Parallel Misalignment 0.002 in Angular Misalignment 1.5 Degrees Color Black Compatible Hub Manufacturer Part Number FC30 Fail Safe Yes For Misalignment Type Angular Parallel Horsepower @ RPM 14.6 hp @ 1150 RPM Maximum Operating Temperature 200 Degrees F