NSK Ltd. (日本精工株式会社 Nippon Seikō Kabushiki-gaisha, Japanese Precision Company) is a manufacturer of bearings globally and the largest in Japan. The company produces industrial machinery bearings, precision machinery and parts, and automotive bearings and components. The company is listed on the Tokyo Stock Exchange, is a component of the Nikkei 225 stock index, and has over 144 overseas operations in 29 countries.