Motion Control Coupling Hub Angular Misalignment 0.5 Degrees Axial Motion 0.1 mm Coupling Size MOST13 Outside Diameter 12.7 mm Over-Standard Parallel Misalignment 1.27 mm Parallel Misalignment 0.1 mm Coupling Overall Length 15.9 mm Hub Material Aluminum Length through Bore 5.6 mm System of Measurement Metric Bore Diameter 6 mm Maximum Speed 4 500 RPM Bore Type Round Shaft Locking Type Set Screw Keyway Depth Not Applicable Keyway Width Not Applicable