NSK Ltd. engages in the manufacture and sale of bearings, automotive products, precision machinery, and mechatronic products. The company is headquartered in Shinagawa-Ku, Tokyo-To and currently employs 24,057 full-time employees. The firm operates in two business segments. The Industrial Machinery Business segment manufactures and sells bearings, precision equipment-related products, condition monitoring systems, and other products for general industry. The Automotive Business segment manufactures and sells bearings, automatic transmission parts, and other products for automobile and automobile parts manufacturers. Major products include ball bearings, hub unit bearings, tapered roller bearings, ball screws, linear guides, condition monitoring systems, and components for automatic transmissions. The firm also manufactures and sells steel balls and machinery and equipment.