NSK is a world-class producer of ball and roller bearings. Established in 1916, NSK became one of the leaders in the bearing industry because of an intense commitment to engineering research, dedication to modern manufacturing processes and an obsession with quality. Headquartered in Ann Arbor, Michigan, NSK Corporation is a U.S. industry leader in the marketing, design and manufacture of anti-friction bearings, precision machinery and parts, mechatronics and automotive products.