Buna N Spider Insert Coupling Size L090 L095 Outside Diameter 2 3/32 in System of Measurement Inch Maximum Speed 9 000 RPM Horsepower @ 100 RPM 0.23 hp Spider Material Buna-N Maximum Torque 144 in-lb Parallel Misalignment 0.015 in Durometer Hardness 80A Angular Misalignment 1 Degrees Color Black Compatible Hub Manufacturer Part Number L090 L095 Fail Safe Yes For Maximum Hub Bore 1 1/8 in For Misalignment Type Angular Parallel