Establishment
In 1971, THK was established in Meguro-ku, Tokyo, under its first name, Toho Seiko Co., Ltd.
Development of "LM Guide"

LM Guide
In 1972, THK became the first company in the world to develop a method of linear motion with rolling contact, and began manufacturing and selling the commercialized result: Linear Motion (LM) Guides.

The Pioneer of LM Guide

Establishment of Kofu Plant in Japan

Kofu Plant in 1977
In 1977, THK's Kofu Plant -- the first full-scale LM Guide production plant -- was established. This was THK's first step in expanding production facilities.

'80 Expanding our distribution bases to the United States and Germany

THK America, Inc. (USA)
Believing that "good technologies can be transferred across borders, and so can the satisfaction of the efficient manufacturing these technologies bring, " we decided to expand our overseas business. The 1981 founding of THK America Inc. In the United States and the founding of THK Europe in Germany the following year formed the basis of our international sales network's expansion.

Expanding manufacturing bases in Japan

Yamaguchi Plant
To meet increased market demands, we established the Gifu Plant in Japan in 1984. And, we established the Mie Plant and the Yamaguchi Plant in Japan in 1985 for further enhancement of our manufacturing capacity

'90 World-first development of Caged Ball LM Guides

Caged Ball LM Guide
In 1996, THK developed "Caged Ball LM Guides", which offer significantly increased performance over conventional products. As human- and environment friendly products, Caged Ball LM Guides have the following outstanding features:

THK Linear Bearing
1. HSR series: HSR15A. HSR20A. HSR25A. HSR30AHSR35A. HSR45A. HSR55A

2. SSR series: SSR15XW. SSR20XW. SSR25XW. SSR30XW. SSR35XW. S SR15XV. SSR20XV. SSR25XV. SSR15XTB. SSR20XTB. SSR 25XTB

3. HSH series: SHS15V. SHS20V. SHS25V. SHS30V. SHS35V. SHS45V. SHS55V. SHS15R. SHS20R. SHS25R. SHS30R. SHS35R. S HS45R. SHS55R. SHS15C. SHS20C. SHS25C. SHS30C. SHS 35C. SHS45C. SHS55C

4. SRS series: SRS9M. SRS12M. SRS15M. SRS20M. SRS25M. SRS9WM. SRS12WM. SRS15WM

5. HSR series: HSR15A. HSR20A. HSR25A. HSR30A. HSR35A. HSR45A. HSR55A. HSR15R. HSR20R. HSR25R. HSR30R. HSR35R. HSR45R. HSR55R. SR15W. SR20W. SR25W. SR30W. SR35W. S R45W. SR55W. SR15TB. SR20TB. SR25TB. SR30TB. SR35T B. SR45TB. SR55TB. SR15V. SR20V. SR25V. SR30V. SR35 V

6. SRS series: RSR7ZM. RSR9ZM. RSR12ZM. RSR15ZM. RSR7WZM. RSR 9WZM. RSR12WZM. RSR15WZM

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