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NSK

Streel & Metals

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Streel & Metals

In the steel industry, bearings can be found in a vast range of plant and equipment that is used in both upstream and downstream processes: from the storage yard for raw materials to the steelmaking, rolling and refining processes. All kinds of bearings are used in this plant and equipment. The operational environment for these bearings is unique to steelmaking, comprising steel dust, water and heat. In addition, the bearings may have to cope with heavy loads and vibration shock, operational speeds ranging from extremely slow through to high, coupled with rapid acceleration and deceleration. This makes for a demanding operational environment that is not found in other applications. NSK aims to make a positive contribution to improving operational stability and productivity. These are issues crucial to the steel industry, which is representative of the industry which manufactures production equipment. NSK achieves this aim by: -the application of high-level bearing design technologies -ongoing planning, development and R & D from many different perspectives, including bearing technologies of materials, lubrication, and analysis

Experience NSK

The steelmaking environment in general is a good example of the range of conditions in which bearings must be used. NSK has worked to increase the life expectancy of these four-row tapered roller bearings. In the 1970's the company developed, as a world first, Sealed-Clean™ Four-Row Tapered Roller Bearings, complete with oil-sealing equipment to prevent the intrusion of water and mill scale. This greatly extended the life of roller bearings. Subsequently, NSK released special greases for the Sealed-Clean™ bearings. In the 1990's the company substantially improved the load rating of bearings through an internal design improvement, and it also developed new scale-resistant materials. In recent years NSK has also developed new materials with resistance to cooling water processes.
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PRODUCTS

Cylindrical Roller Bearings – NUB Series

Cylindrical Roller Bearings with Aligning Rings

Extra-Capacity Sealed-Clean Four Row Taper Roller Bearings

Full Complement Crane Sheave Bearings

Super-TF Roll Neck Bearings

SWR Series Roller Bearings

Taper Roller Bearing with Aligning Rings

Ultra-Large split bearings

WTF (Water-Tough) Bearings