NTN Corp. engages in the manufacture and sale of bearings, driveshafts, and precision equipment. It operates through the following business divisions: Industrial Machinery Market, Aftermarket Business, and Automotive Market. The Industrial Machinery Market division offers bearings for construction machineries, rolling stocks, machine tools, agricultural machineries, office equipment, and wind turbines. The Aftermarket division covers aftermarket requirements for general machinery, automotive repair parts, and maintenance repair overhaul operations for mining, steel, paper, and food machineries. The Automotive Market division provides automotive and automotive-related parts such as hub bearings, constant velocity joints, and needle roller bearings. The company was founded by Noboru Niwa and Jiro Nishizono in March 1918 and is headquartered in Osaka, Japan.