Linear bearings, positioning stages & precision machining / Kawagoe, Saitama
HEPHAIST Co., Ltd.
ヒーハイスト株式会社 / HEPHAIST株式会社
HEPHAIST Co., Ltd. is a manufacturer of linear motion bearings and positioning stages based in Kawagoe, Saitama, Japan. Established in 1962 and listed on the Tokyo Stock Exchange Standard Market, it makes cylindrical linear bearings (linear ball bushings, etc.), high-precision positioning stages, ball spline units and spherical bearings, and also takes on contract precision parts machining, including precision grinding, spherical and mirror finishing, and machining of hard-to-cut materials.
Capabilities
"What the company does"| Item | Details |
|---|---|
| Key technologies | Cylindrical linear bearings (linear ball bushings, shaft holders, miniature ball screw splines), High-precision positioning stages (XYθ, ultra-precision, Z-tilt, Z-axis), Ball spline units, Spherical bearings, Contract precision parts machining |
| Contract machining | Contract precision parts machining (racing parts, prototype parts, ultra-precision parts): precision grinding, spherical and mirror finishing, machining of special and hard-to-cut materials. Precision parts machining accounted for 21.1% of sales (fiscal year ended March 2026) |
| Process categories | Grinding |
| Solutions | World-leading maker of small-diameter linear ball bushings (company's own description). Main markets: automotive, semiconductors and electronics. Working on humanoid robotics (participant in KyoHA) |
| Materials | Ceramics / Exotic hard |
| Industries | Automotive, Semiconductor / Electronics, Robotics / Machinery |
| Overseas support | Export experience, Wholly owned subsidiary in Shanghai, China (赫菲（上海）軸承商貿有限公司) and a production site in Suzhou. Most overseas sales are exports denominated in foreign currencies. The official website has English and Chinese versions; exhibits at overseas trade shows in Shanghai, Shenzhen and elsewhere |
FAQ
"Direct answers"Do you take on contract precision parts machining?
Yes. The company machines precision parts on contract, including racing parts, prototype parts and ultra-precision parts. It handles precision grinding, spherical and mirror finishing, and machining of special and hard-to-cut materials.
What are your main products?
Cylindrical linear bearings (linear ball bushings, shaft holders, miniature ball screw splines), high-precision positioning stages, ball spline units and spherical bearings.
What are your main markets?
Automotive, semiconductors and electronics.
Do you have overseas sites?
Yes. The company has a wholly owned subsidiary in Shanghai and a production site in Suzhou, China. The official website has English and Chinese versions.
Company overview
| Company name | HEPHAIST Co., Ltd. / ヒーハイスト株式会社 / HEPHAIST株式会社 |
|---|---|
| Founded | July 1962 |
| History | Established July 1962 in Kawasaki, Kanagawa as Hephaist Seiko Co., Ltd. (ヒーハイスト精工株式会社; capital JPY 5 million). Renamed HEPHAIST Co., Ltd. in July 2020 |
| Address | 580-1 Imafuku, Kawagoe, Saitama 350-1151, Japan |
| Representative | 尾崎浩太 (President) |
| Listing | Listed on the Tokyo Stock Exchange Standard Market (listed on JASDAQ in 2013; moved in the 2022 market restructuring) |
| Employees | 84 employees consolidated, 78 non-consolidated (as of 31 March 2026) |
| Sites | Head office and Saitama Factory (Kawagoe), Akita Factory |
| Official website | www.hephaist.co.jp |
Processes
"Process pages"Contact this company
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