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At Husum Windenergy, NSK showcased various bearing designs developed for use in wind turbines.

NSK also presented a hybrid bearing with ceramic balls that offers a long life and acts as an electrical insulator.

This function is needed to prevent electricity from passing through the power train and to minimise the associated damage – for example when current peaks or circulating currents (electrical corrosion) occur.

NSK Robust bearings with ceramic balls offer a stressable, long-life, high-precision solution for the machine-tool industry.

NSK has ramped up its production capacities for high-precision ceramic components such as those used in wind turbines.

The company’s other exhibits included spherical roller bearings for rotor shafts, bearings for generators and pre-installed bearing units in a sample wind turbine gear shaft.

All of the bearings fulfil the wind power industry’s requirements as regards durability and are designed for a service life of over 20 years – even in adverse operating conditions, including highly dynamic wind loads, moisture and temperature fluctuations.

NSK uses high-purity bearing steels for its wind sector products.

Special materials are also used for specific requirements, such as Super-TF steel, which was developed for this application profile.


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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