Oil Resistant Spider Insert Coupling Size FC20 Outside Diameter 2 in System of Measurement Inch Maximum Speed 3 450 RPM Horsepower @ 100 RPM 0.4 hp Spider Material Rubber Maximum Torque 250 in-lb Parallel Misalignment 0.002 in Angular Misalignment 1.5 Degrees Color Black Compatible Hub Manufacturer Part Number FC20 Fail Safe Yes For Misalignment Type Angular Parallel Horsepower @ RPM 4.6 hp @ 1150 RPM Maximum Operating Temperature 200 Degrees F