Jaw Coupling Insert Coupling Size L099 L100 Outside Diameter 2 33/64 in System of Measurement Inch Maximum Speed 7 000 RPM Horsepower @ 100 RPM 0.77 hp Spider Material Polyurethane Maximum Torque 477 in-lb Parallel Misalignment 0.015 in Durometer Hardness 90A Axial Motion 0.015 in Angular Misalignment 1 Degrees For Minimum Hub Bore 7/16 in Application Close Coupling L-Type Color Blue Compatible Hub Grainger Part Number 29HY91 29HY92 29HY93 29HZ02 29HZ03 29HZ04