In 1918, NTN headquartered in the Western Osaka City. NTN bearings are the key foundation of advancement in every industry. Every model of NTN's bearing products is produced with inspection technology at a precision level of 0.01 millimeter. NTN has 11 factories, 25 sales offices and 3 research institudes in Japan. In world, NTN owns 20 wholly-owned production factories, 2 research institutes and 48 sales offices.