NSK Ltd. is engaged in manufacture and sale of bearings. The Company operates through two segments: Industrial Machinery business and Automotive business. The Industrial Machinery segment is engaged in the production and sales of industrial machinery bearings, ball screws and linear guides. The Automotive business is engaged in production and sales of bearings for car manufacturers and automotive component manufacturers, steering columns and automatic transmission components. Its Industrial Machinery business consists of approximately two product categories: Industrial Machinery Bearings, which offers miniature through to ultra-large bearings, and Precision Machinery and Parts, which provides linear motion products and mechatronic products. Its Automotive business provides Automotive Bearings, such as mainstay hub unit bearings and needle roller bearings, and Automotive Components, which include electric power steering (EPS) systems and automatic transmission (AT) components.