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With more than ninety years of manufacturing expertise in ball bearings, NTN offers one of the industry's widest arrays of products to fit your application. Our ball bearings are available to you off-the-shelf, in sizes ranging from 10 mm to 320 mm outside diameters. And with a virtually limitless variety of configurations of seals,
NTN is one of the world's leading manufacturers of bearing products to OEMs, distributors, and end users.
NTN Corporation (a.k.a. Niwa, Tomoe, Nishizono) is one of the most prominent manufacturers of bearings in Japan, second domestically only to NSK Limited. The company is one of the largest exporters worldwide of friction-reducing products such as constant-velocity
This is the official website of NTN. On this site you can find information on bearings, constant velocity joints, electric vehicle systems, and NTN's other products. It also provides the latest news as well as information on investor relations, corporate social responsibility, and recruitment. You can request or download catalogs