THK BNS Series Precision Ball Screw/Spline

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

By integrating ball screw and ball spline functions into one structure, it supports high load capacity while enabling reliable linear–rotary motion control, making it suitable for demanding industrial applications.

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

Screw shaft diameter (mm)
16, 20, 25, 32, 40, 50