|1934||Kosaburo Chikamori founded Toyo Steel Ball Seisakusho and started manufacturing steel balls for bicycles.|
|1936||Kaichiro Morii established Toyo Steel Ball Seisakusho General Partnership Company.|
|1939||Launched as a joint-stock company as Toyo Steel Ball Manufacturing
Co., Ltd. Setsuzo Tsubakimoto was appointed as first president.
|1941||Began manufacturing and sale of chrome steel balls.|
|1951||The factory was approved by JIS (Japan Industrial Standards).|
|1954||Changed name to Tsubakimoto Steel Ball Manufacturing Co., Ltd.|
|1958||Began mass production of nylon, stainless, brass and other special balls. Started manufacturing and sale of tungsten carbide balls.|
|1959||Started manufacturing and sale of ball screws. Went public on the OTC market in Osaka|
|1961||Listed on the second section of both the Tokyo and Osaka Stock Exchanges|
|1968||Company was renamed to Tsubakimoto Precision Products Co., Ltd.|
|1969||Completed and started operation of Koriyama Plant. Began sale of ball bushings.|
|1970||Started manufacturing and sale of rolled thread ball screws and rolled ball splines.|
|1973||Started manufacturing and sale of ceramic balls.|
|1980||Listed on the Luxembourg Stock Exchange.|
|1981||Started manufacturing and sale of precision positioning tables.|
|1982||Started manufacturing and sale of precision ball ways.|
|1983||Started manufacturing and sale of precision ball splines.|
|1986||Started manufacturing and sale of stock ball screws, ceramic ball screws, hollow ball screws and LPM positioning table.|
|1988||Listed on the first section of both the Tokyo and Osaka Stock Exchanges.|
|1990||Acquired the assets of Hoover Group’s steel ball division in the United States.|
|1996||Merged with Nakashima Seisakusho Co., Ltd., Tsubaki Nakashima Co., Ltd. was established.|
|2002||Established TN TAICANG CO., LTD. (formerly Tsubaki-Hoover (Taicang) Co., Ltd.).|
|2003||Acquired ZET (Zaklad Elementow Tocznych) factory from Polish state-owned company FLT
(Fabryk Loczysk Tocznych).
|2006||Acquired ChongQing Steel Ball Co., Ltd, in China.|
|2007||Became a wholly-owned subsidiary of TNN Investment Co., Ltd. by way of a share-for-share exchange and delisted from the Tokyo and Osaka Stock Exchanges.|
|2010||Established TN TAIWAN CO., LTD. (formerly Taiwan Tsubaki Nakashima Co., Ltd.).
Established TN INDIA PRIVATE LIMITED (formerly Tsubaki Hoover India Pvt., Ltd.).
|2013||Established TN ASIA PTE. LTD. (formerly Tsubaki Nakashima Global Pte. Ltd.).
Acquired TN UNITED KINGDOM, LTD. (formerly Spheric-Trafalgar Ltd.), in United Kingdom.
Acquired TN RAYONG LTD. (formerly Spheric-Trafalgar (Thailand) Ltd.), in Thailand.
|2015||Established TN KOREA CO., LTD. (formerly Tsubaki Nakashima Korea Co., Ltd.).
Re-listed on the first section of the Tokyo Stock Exchange.
|2017||Acquired Precision Bearing Components Group of NN Inc.|