THK BNK Series Precision Ball Screw with Finished Shaft Ends

The THK BNK Series Precision Ball Screw is designed for accurate positioning and smooth linear motion. It is supplied with finished shaft ends, making it suitable for applications that require ready-to-install ball screw assemblies.

The BNK Series offers a range of screw shaft diameters and lead options for different positioning requirements. Selected models are also available in stainless steel for applications that require additional corrosion resistance.

Depending on the model, the series is available with different accuracy and axial-clearance grades. It also supports high-speed operation, with permissible rotational speeds of up to 5,000 min⁻¹ on smaller models.