NSK Ltd. engages in the manufacture and sale of bearings, automotive products, precision machinery and parts, and mechatronic products. It operates through the following segments: Industrial Machinery, Automotive, and Other. The Industrial Machinery segment produces and sells industrial machinery bearings, ball screws, and linear guides. The Automotive segment manufactures and sells bearings for car and automotive component manufacturers, steering columns, and automatic transmission components. The Other segment includes steel ball manufacturing and sales, machinery production, and systemized products such as photo-fabrication exposure equipment for liquid crystal panels. The company was founded on November 8, 1916 and is headquartered in Tokyo, Japan.