Universal Joint Coupling Size D-8B Overall Length 3 3/4 in Maximum Bore Diameter 3/4 in Maximum Operating Angle 25 Degrees Yoke Length 1 7/8 in Bore Diameter 5/8 in Number of Joints Single Joint Diameter 1 1/4 in Maximum Speed 1 750 RPM U-Joint Material Stainless Steel Joint Type Pin Block Booted No Outside Diameter 1 1/4 in Keyway Depth 3/32 in Keyway Width 3/16 in Length through Bore 1 1/16 in Break Torque 3 480 in-lb System of Measurement Inch Bore Type Round Keyed