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STEEL QUALITY : A KEY PARAMETER FOR HIGH PRECISION BEARINGS

NTN has developed a performing steel. Due to the chemical composition and an improved surface quality the maintenance cost are reduce and the performance of the product increase.

STEEL QUALITY : A KEY PARAMETER FOR HIGH PRECISION BEARINGS

The NTN Corporation is an important partner for companies that are present in the machine tool market. Due to long-term and close business relationships with leading companies in this market, in the course of the 100-year history of NTN, forward-looking innovations have emerged based on customer and market needs. The result is a comprehensive portfolio consisting of high-precision bearings, linear guides and ball screws. To clarify in figures, it should not be left unmentioned that around 5,000 machine tools equipped with bearings from NTN Corporation are exported from Japan to Europe every year.

Of course, the machine tool market continues to develop. Thanks to the R&D departments NTN offers suitable solutions for current trends such as Industry 4.0 and an increasing automation.

In the service of the machine tool Machine tools produce components for other machines and are therefore also referred to as "mother of machines". The economic production and the quality of the products produced depend on the technical level of each machine tool. The machine tool must therefore be assigned a key position in every industrial company. Conversely, the failure of a single machine tool component leads to bigger problems, because either the order is not completed on time or the required quality is not achieved.

Therefore, every single component must be considered with the greatest care in the design phase, as tests are time-consuming and costly, and repetition of these tests should be avoided. The selection of suitable products is therefore a fundamental point to keep the development costs within limits or later to guarantee the economic targets of the end customers within the entire lifetime of a machine tool.

In this perspective of perfection, the NTN Corporation has established itself as a trustworthy partner of world-famous manufacturers of cutting machine tools for more than 100 years. As already mentioned, around 5.000 machine tools equipped with bearings from NTN Corporation are exported from Japan to Europe every year. Companies that use Japanese machine tools in their production appreciate, among other things, their high accuracy and reliability.

Due to the chemical composition and an improved surface quality, our customers can expect the following advantages from the "LA material"
  • 6 times higher wear resistance
  • 15 times higher anti-seizure properties
  • 13 times longer rolling fatigue life at room temperature
  • and a 30 times higher rolling fatigue life at 200 ° C

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