The Timken Company is a manufacturer of bearings, gear belts, and chain-related products. The company sells its portfolio of bearings, including tapered, spherical and cylindrical roller bearings, and thrust and ball bearings, through a network of authorised dealers to end users or directly to original equipment manufacturers. End-market sectors include general industrial, automotive, rail, energy, heavy truck, defense, agriculture, metals, mining, civil aerospace, construction, pulp and paper, and cement industries. Its segments are Mobile Industries and Process industries. Timken generates most of its revenue in the United States of America.