This is the website for JTEKT's Koyo bearing brand. Here, you will find product information and case studies relating to bearings and oil seals. You can also download technical calculation tools, CAD drawings and various catalogs to help you with the bearing selection process.

First introduced to the market in 1921, Koyo is the bearing brand of JTEKT Corporation.In response to the ever-changing times now and in the future, our aim is to achieve true No.1 & Only One monozukuri (Japanese manufacturing craftsmanship) that provides ever-better products and services through the Koyo brand.We sincerely request your ...

JTEKT’s Koyo bearings are found in modern applications from eco-conscious wind power generators to aerospace to high-speed transportation.

Starting from April 2022, JTEKT Corporation will unify many of its global brands to the JTEKT brand. For bearings this means the Koyo brand name and logo will transition to JTEKT. This step is intended to guarantee a unified market presence of our globally operating company.

KOYO was established in 1926 and we have produced furniture components with heart and high technology. Our mission is to contribute to global markets through a corporate focus on human values, developing products of superior quality and safety.

We are one of the world’s leading manufacturers of bearings. American Koyo Bearing Mfg Corp. (presently Koyo Corporation of U.S.A.) established, South Carolina plant completed, start of bearing production in USA.

American Koyo Corp. (presently Koyo Corporation of U.S.A.) established as first overseas affiliate 1959 Steering system development and prototype production begun at Kokubu Plant

Effective January 1, 2024, Koyo Machinery USA, a leading provider of precision grinding machines and systems for production applications, will be integrated into JTEKT Machinery’s range of products, services, and customer support operations.

Koyo Seiko was founded in 1921 by Mr. Ikeda. In the decennia that followed it has become one of the World's leading manufacturers of bearings and automotive steering systems.

Koyo is the JTEKT Corporation brand for Bearings. Utilizing new materials and the latest in manufacturing technology, JTEKT Corporation stands at the forefront, as a technological leader in the world bearing industry. Products include: angular contact ball bearings, tapered roller bearings, thrust bearings, and much more.