Tsubaki Nakashima Co., Ltd. manufactures and sells industrial precision balls, rollers, cages, and sheet metal parts worldwide. The company operates through Precision Component Business, Linear Business, and Others Business segments. It offers precision steel balls, including bearing and stainless steel, ballpoint pen, and various metal balls for use in home electronics, such as air conditioners, refrigerators, and vacuum cleaners; and precision rollers and stampings comprising tapered, spherical, cylindrical, and needle rollers, as well as cages, sheet metal stampings, and welded products for transmission, engine, pump, wheel bearing, mining, heavy industry, and railway applications. The company also provides precision ceramic balls, including silicon nitride and alumina oxide balls for use in wind power generators, electric vehicles, and semiconductor manufacturing equipment applications. In addition, it offers ball screws for machine tools, electric injection molding machines, semiconductor manufacturing equipment, industrial robots, and advanced medical equipment applications. Further, the company provides iron and steel, electric power, wind tunnel, and other blowers for steel, thermal power, nuclear power, and other applications; and customized solutions comprising solid plastic balls, specially manufactured products, and glass balls for medical diagnostic tests and devices. Additionally, it is involved in the real estate leasing business. The company was founded in 1934 and is headquartered in Katsuragi, Japan.