Universal Joint Coupling Size NB-12B Overall Length 5 7/16 in Maximum Bore Diameter 1 1/2 in Maximum Operating Angle 25 Degrees Yoke Length 2 3/4 in Boot Material Not Applicable Bore Diameter 1 in Number of Joints Single Joint Diameter 2 in Maximum Torque 1 450 in-lb Maximum Speed 6 000 RPM U-Joint Material Carbon Steel Joint Type Needle Bearing Booted No Outside Diameter 2 in Keyway Depth Not Applicable Keyway Width Not Applicable Length through Bore 1 1/2 in