THK BNS-A Series Precision Ball Screw/Spline

The BNS-A Precision Ball Screw / Spline is a compact type designed to provide linear and rotary motion using a single shaft.

By integrating ball screw and ball spline functions into a compact structure, the BNS-A supports space-saving linear–rotary motion control, making it suitable for compact automation and precision equipment.

Key Features
– Large lead
– Preload
– Rotary nut
– Rotary ball spline
– Precision positioning (ball screw)

Screw shaft diameter (mm)
08, 10, 16, 20, 25, 32, 40