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NSK has announced that its integrated bespoke screen units are providing manufacturers and repairers of vibrating screens with cost and installation savings.

The screen units are individually designed by NSK to meet manufacturer’s requirements.

They integrate high-strength housings, vibratory specification bearings, seals, bolts and washers into bespoke assemblies that are pre-greased and ready to install.

This is said to reduce inventory, installation and warranty costs, and brings the security of a single source supply.

The screen units deliver all the benefits of integrated assembly to the quarrying/extraction industries, helping to improve the competitiveness of screen manufacturers in a number of ways.

First, all of the design work and unit assembly is undertaken by NSK, reducing in-house design, and purchasing and stock holding costs.

Second, the screen manufacturer does not have to undertake in-house sub-assembly, and final assembly time on the machine is reduced.

Third, installation does not require a separate ‘clean’ bearing assembly area, or in-house heating equipment for fitting bearings into housings.

The bespoke bearing assemblies comprise SG iron high-strength housings, integrating CAM-VS vibratory specification bearings, labyrinth and contact seals to deny the ingress of contaminants, and bolts and washers.

The assemblies are pre-greased and ready to fit, with bearing location features and provision for re-greasing.

The CAM-VS series of spherical roller bearings used in the integrated screen assemblies are designed specifically to provide improved bearing life under severe operating conditions, reducing levels of vibration and noise by 50-60 per cent.

The vibratory specification of the CAM-VS series provides increased fatigue strength against the effects of vibration and shock loads conditions.

The bearings are manufactured from high-cleanliness steel to improve their operating life and are equipped with brass cages to combat the effects of vibration, operating fatigue, wear and corrosion.


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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