The Timken Company 415085 Radial Shaft Oil Seal

The Timken National 415085 radial shaft oil seal is a dual‑lip, nitrile (NBR) seal with a steel case and inner case designed to retain lubricant and prevent contaminants from entering bearing assemblies in rotating equipment. It is commonly used in industrial gearboxes, pumps, electric motors, conveyors, compressors, and other heavy‑duty power transmission equipment where reliable shaft sealing helps minimize lubricant leakage and extend bearing life. Key specifications include Manufacturer Part Number 415085, Series 410000, Type 41 dual‑lip with one spring, shaft diameter 3.312 in (84.125 mm), outside diameter 4.504 in (114.402 mm), housing bore 4.499 in (114.275 mm), and overall width 0.468 in (11.887 mm); maximum shaft surface speed 3000 ft/min, pressure rating 7 psi, and operating temperature range −40°F to 225°F (−40°C to 107°C); Redi‑Coat yes. Common replacements are SKF 33136, CR 415085, and National 415085.