Motion Control Coupling Bore Diameter 1 7/8 in Bore Diameter 2 1/2 in Coupling Outside Diameter 2 in Maximum Speed 10 000 RPM Maximum Torque 400 in-lb Hub Material Aluminum Overall Length 2.31 in Shaft Locking Type Clamp On System of Measurement Inch Clearance Diameter 2 in Bellows Material Stainless Steel Different Bore Sizes Yes Length Through Bore 1 1.1 in Length Through Bore 2 1.1 in Parallel Misalignment 0.01 in Bore Type Round Dynamic Torque Non-Reversing 200 lb-in