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The NSK Spacea range of bearings for ‘special environments’ has replaced stainless-steel bearings used in the manufacture of carbon-graphite and composite materials for aerospace applications.

The Spacea bearings are situated at both ends of five rollers, over which the carbon-fibre material passes in a surface-treatment process before being submersed in a bath of Ammonium Bicarbonate.

Spacea is a range of bearings, ball screws and linear guides that provide high performance and reliability under demanding operating conditions, including super-clean, vacuum, non-magnetic, corrosive, high/low temperature, nuclear and high speed.

Products in the range are designed to meet technical requirements with a programme of high-performance materials, surface finishes and specially developed lubricants, including solid types.

The Spacea bearings recommended for the surface treatment application were 6205 units with martensitic stainless-steel inner/outer rings and balls supplied with an MoS2 solid-lubricant coating.

The cage of the bearings is self lubricating and the bearings are provided with shields of Austenitic stainless steel.

NSK’S INTEGRATED TECHNOLOGY PLATFORM DRIVES INNOVATION..

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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