Fitment and Product Information Differential Bearing Race Front or Rear Inner Interior Inside Brandname: Timken Part Number: 02820 Description: The Timken Company engineers, manufactures and markets bearings, transmissions, gearboxes, belts, 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.