Motion Control Coupling, Bore Diameter 1 3/8 in, Bore Diameter 2 3/8 in, Coupling Outside Diameter 1 in, Maximum Speed 10,000 RPM, Maximum Torque 60 in-lb, Hub Material Aluminum, Overall Length 1.33 in, Shaft Locking Type Clamp On, System of Measurement Inch, Clearance Diameter 1 in, Bellows Material Stainless Steel, Different Bore Sizes No, Length Through Bore 1 0.63 in, Length Through Bore 2 0.63 in, Parallel Misalignment 0.004 in, Bore Type Round, Dynamic Torque Non-Reversing 30 lb-in This product contains a chemical that is regulated under California Proposition 65. Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. -