Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 1/2 in, Bore Diameter 2 1/2 in, Coupling Material Aluminum, Coupling Outside Diameter 1 1/4 in, Maximum Speed 6,000 RPM, Maximum Torque 50 in-lb, Axial Motion 0.01 in, Overall Length 1 21/64 in, Parallel Misalignment 0.015 in, System of Measurement Inch, Different Bore Sizes No, Torsional Stiffness 13.89 in-lb/Deg, Bore Type Round, Shaft Locking Type Set Screw, Number of Beams 6, Length Through Bore 2 0.8 in