Motion Control Coupling Angular Misalignment 0.5 Degrees Axial Motion 0.006 in Coupling Size OD21 OD33 Outside Diameter 1 5/16 in Over-Standard Parallel Misalignment 0.131 in Parallel Misalignment 0.008 in Break Torque 350 in-lb Disc Material Acetal Maximum Torque 70 in-lb Torsional Stiffness 111.1 in-lb/Deg System of Measurement Inch Maximum Speed 4 500 RPM For Hub Diameter 1 21/64 in Application Applications With High Parallel Misalignment (Up to 10 Percent of the Coupling OD)