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On Booth B16 in Hall 7 at the EMO trade fair, NSK will present the HMS series of ball screws, which, using a new ball recirculation system, can achieve a maximum DN of 160,000.

According to the company, the HMS ball screws also achieve high-precision levels and low noise levels — thanks to a new design that reduces noise level by more than 6db(A), which is perceived by the human ear as a reduction of almost 50 per cent.

The series offers machine manufacturers a choice of cooling system: either conventional spindle cooling via a hollow shaft or the integrated nut cooling mechanism developed by NSK in 2010.

This new cooling system is claimed to be more cost effective and better performing than conventional cooling, because the drive is only cooled at the specific points where high temperatures arise owing to friction.

Key features

  • Available spindle diameters of 40mm, 45mm and 50mm
  • Available leads of 8mm, 10mm and 12mm
  • Low-noise operation
  • High rigidity
  • Two HMS systems, which can be connected to create a high-precision tandem drive system


NSK, a global leader in motion and control products, has developed and continuously upgrades four core technologies: tribology, material engineering, analysis technology and mechatronics, to provide the platform for the company’s innovative product developments. This technology platform provides the basis for the design of NSK’s rolling bearings, automotive components and precision parts. In addition, by integrating these advanced technologies, NSK is able to respond quickly and effectively to customer requirements across all key sectors.

NSK is a driver of new technology developments, with a full line-up of products spanning general industrial, automotive and precision parts industries. These include bearings for mechanical and electrical machinery, IT and aftermarket; innovative automotive products such as electric power steering (EPS) automatic transmission components, steering columns and other steering related products; and precision linear motion components such as linear guides, ballscrews, X-Y tables, mechatronic products and Megatorque motors.

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