Timken 13685-90059 Double Taper Bearing Cone and Cup set, model 13621D, delivers reliable performance for industrial power transmission and automation systems. This New Old Stock unit is manufactured in the United States from high quality steel and precision ground for durability and smooth operation under heavy loads. The bore measures 1-1/2 inches and the outside diameter is 2-23/32 inches, providing a precise cone and cup pairing for compatible shafts and housings. Designed for OEM replacement, these Timken bearings offer long service life and dependable alignment in demanding applications. Ideal for mechanical power transmission components such as conveyors, gear drives, shaft assemblies, and automation equipment where accurate load handling matters. The 13685-90059 and 13621D designation identifies a trusted Timken double taper bearing solution that supports reliability and efficiency in industrial settings. Invest in this United States made bearing pair for consistent performance and extended equipment life.