Urethane Spider Insert Coupling Size L110 Outside Diameter 3 19/64 in System of Measurement Inch Maximum Speed 5 000 RPM Horsepower @ 100 RPM 2.0 hp Spider Material Polyurethane Maximum Torque 1 188 in-lb Parallel Misalignment 0.015 in Durometer Hardness 90A Angular Misalignment 1 Degrees Application Blowers Compressors Generators Pumps Color Blue Compatible Hub Manufacturer Part Number L110 Fail Safe Yes For Maximum Hub Bore 1 5/8 in For Misalignment Type Angular Parallel