The Timken Company engineers, manufactures and markets bearings, transmissions, motors, gearboxes, chain and related products, and offers a spectrum of powertrain rebuild and repair services. The leading authority on tapered roller bearings, Timken today applies its deep knowledge of metallurgy, tribology and mechanical power transmission across a variety of bearings and related systems to improve reliability and efficiency of machinery and equipment all around the world. The company's growing product and services portfolio features many strong industrial brands, including Timken®, Fafnir®, Philadelphia Gear®, Interlube® and Drives®. [5]

Mobile Industries provides bearings, mechanical power transmission components, drive- and roller chains, augers, and related products and services to automotive and heavy-truck aftermarket distributors, as well as to original-equipment manufacturers and suppliers of agricultural, construction and mining equipment; passenger cars; light trucks; medium- and heavy-duty trucks; rail cars, and locomotives. The segment also serves the commercial and military aircraft sectors.

This business segment produces mechanical components found in commercial vehicles, light trucks, passenger cars, farm tractors, combines, haul trucks, draglines, shovels, continuous miners, longwall shearers, loaders, excavators, compactors, crawler dozers, locomotives, freight and passenger cars and high-speed rail systems. This segment also provides helicopter transmission systems, rotor head assemblies, turbine engine components, gears and other precision flight-critical components for commercial and military aviation applications and aftermarket services, including repair and overhaul of engines. Additionally, this segment manufactures precision bearings, higher-level assemblies and sensors for manufacturers of health and positioning control equipment.

Process Industries manufactures bearings, mechanical power transmission components, industrial chain, and related products and services for original-equipment manufacturers and suppliers of power transmission, energy and heavy industries machinery and equipment. This includes rolling mills, cement and aggregate processing equipment, paper mills, sawmills, printing presses, cranes, hoists, drawbridges, wind energy turbines, gear drives, drilling equipment, coal conveyors, coal crushers, and marine and food processing equipment. This segment also serves the aftermarket through its global network of authorized industrial distributors.

Process Industries’ product applications include: heavy-duty mining equipment, cement crushers, grinding mills, coal crushers, pulverizers, conveyors, screens, wind energy turbines, rolling and continuous casting steel mills, paper mills, paper processing, equipment for forest products, gear drives, drawbridges, heavy movable structures, oil and gas drilling equipment, pumps, compressors and food processing systems.

Timken is a member of World Bearing Association (WBA), a non-profit and unincorporated industrial association promoting the common interests of the world bearing industry, such as open economic engagement, sustainable development and the protection of legal rights of companies.[6]