Date: 2013-08-01

NSK Develops Ultra Low-Friction Sealed Clean Ball Bearings for Transmissions

NSK Ltd. (NSK; Headquarters: Tokyo, Japan; President and CEO: Norio Otsuka) announced today that it has developed ultra low-friction sealed clean ball bearings with half the friction of conventional sealed ball bearings. NSK will aggressively market this product for application in manual transmission (MT) vehicles, which are generating high demand in emerging markets and Europe, and double clutch transmissions (DCT), a popular style of transmission in Europe that combines fuel efficiency with a sporty feel. NSK targets sales of this product of at least 1.5 billion yen by 2015.

NSK fitted bearings with seals are used inside transmissions to inhibit the ingress of gear dust and other contaminants. These sealed clean ball bearings, which provided drastically longer service life and superior reliability, have been adopted by major auto makers around the world since their release.

In recent years, rising environmental awareness has created demand for automobile transmissions that do more to improve fuel economy, which has in turn created expectations for reduced friction in transmission bearings. NSK

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