THK BNS-A Series Compact Ball Screw/Spline

The THK BNS-A Series Compact Type Precision Ball Screw/Spline combines a ball screw and ball spline in a compact unit for linear and rotary motion. Its integrated design provides efficient motion transmission while reducing installation space compared with separate components.

The BNS-A Series is available in sizes from 8 to 40 mm, with multiple ball screw leads and ball spline configurations. The series offers a DN value of 70,000, while its ball spline section provides rated load, permissible moment and torque capacity according to model.