Motion Control Coupling, Angular Misalignment 0.5 Degrees , Axial Motion 0.004 in, Coupling Size OD13, OD8, Outside Diameter 1/2 in, Over-Standard Parallel Misalignment 0.05 in, Parallel Misalignment 0.004 in, Break Torque 34 in-lb, Disc Material Acetal, Maximum Torque 6 in-lb, Torsional Stiffness 13.9 in-lb/Deg, System of Measurement Inch, Maximum Speed 4,500 RPM, For Hub Diameter 1/2 in, Application Applications With High Parallel Misalignment (Up to 10 Percent of the Coupling OD), Color Black