Nook HPR8944 Performance Ball Spline Assembly with 7-7/8 Shaft 040595

New Nook HPR8944 Performance Ball Spline Assembly with 7-7/8 Shaft 040595. Cataloging indicates: Inch High Performance Ball Spline Assembly, 1″ Nominal Size, 3/16″ Nominal Ball Diameter, 6 Active Circuits.