The NB Ball Screw Spline consists of a high accuracy, high rigidity Ball Screw nut and Ball Spline nut attached to the ball screw spline shaft which has a screw groove and spline grooves. The SPBR type has a Rotary Ball Screw nut and Rotary Ball Spline nut. The Rotary Ball Screw nut is an integration of ball screw nut and angular contact bearings.

The Rotary Ball Spline nut is an integration of ball spline nut and angular contact bearings. A single axis of the NB Ball Screw Spline can provide positioning, linear and rotary motion as well as combined spiral motion. Typical applications include SCARA robots, assembly machines, loaders, etc.