Universal Joint Coupling Size NB-8B Overall Length 3 3/4 in Maximum Bore Diameter 1 in Maximum Operating Angle 25 Degrees Yoke Length 1 7/8 in Boot Material Not Applicable Bore Diameter 5/8 in Number of Joints Single Joint Diameter 1 1/4 in Maximum Torque 550 in-lb Maximum Speed 6 000 RPM U-Joint Material Carbon Steel Joint Type Needle Bearing Booted No Outside Diameter 1 1/4 in Keyway Depth Not Applicable Keyway Width Not Applicable Length through Bore 1 1/16 in