[3]
Rigid Shaft Coupling, 1 Piece Clamp, Inch, Bore Dia. 5/8 in x 7/8 in, Steel, Finish Black Oxide, Outside Dia. 1 15/16 in, Overall Length 1 15/16 in, With Keyway, Clearance Dia. 1.938 in, Screw Size 1/4 In.-28, Keyway Width 3/16 in, Max. Torque 1,540 in-lb, Max. RPM 4,000 RPM