The company headquarters building in Osaka
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Native name
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NTN株式会社 |
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Public KK | |
Traded as | : Nikkei 225 Component |
Industry | Manufacturing |
Predecessor | Nishizono Ironworks |
Founded | Kuwana, Mie Pefecture (March 1918 ) |
Headquarters | 1-3-17, Kyomachibori, Nishi-ku, Osaka 550-0003, Japan |
Key people
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Hiroshi Ohkubo (President) |
Products | |
Services | Component maintenance, repair, and overhaul |
Revenue | (JPY 683.3 billion) (FY 2016) |
US$ 142 million (FY 2013) (JPY -14.64 billion) (FY 2013) |
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Number of employees
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24,665 (consolidated, as of March 31, 2017) |
Website | Official website |
US$ 142 million (FY 2013)
NTN Corporation (NTN株式会社 NTN Kabushiki-gaisha) (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 joints.
It is listed on the and is a component of the Nikkei 225 .
The beginning of the Japanese bearing industry started by competitor Nippon Seiko (now known as NSK Limited) producing such bearings in 1914. Four years later in 1918, Nishizono Ironworks, a factory in Uchibori, Mie Prefecture, Japan began producing ball bearings.
Five years after Nishizono Ironworks began its production of these friction reducing components, the company merged with Tomoe Trading to fabricate and market them under the name "NTN". In 1927, however, Nishizono and Tomoe split, with the former company setting up a new company called "NTN Manufacturing Company".
In 1934, the company reorgzanized as a , changing its name to Toyo Bearing Manufacturing. When Japan invaded Manchuria, the demand for bearings increased due to the war, and manufacturing productivity followed suit. In 1938, Toyo created a domestic subsidiary named Showa Bearing Manufacturing Company, in Mukogun, Hyogo Prefecture. Toyo absorbed Showa into its organization the following year, making the facility into its Mukogawa plant and merging Mukogawa's operations with those of their newly established plant in Kuwana.