The Timken Company 415259 Radial Shaft Oil Seal

The Timken National 415259 radial shaft oil seal is a Type 41 dual‑lip seal with a steel case and inner case, designed to retain lubricant and prevent contaminants from entering bearing assemblies in heavy‑duty rotating equipment. Commonly used in industrial gearboxes, pumps, electric motors, conveyors, and compressors, it helps protect bearings and extend service life by maintaining lubricant and blocking dust, dirt, and moisture. Specifications include MPN 415259, Series 410000, lip configuration dual lip with one spring, lip material nitrile (NBR), shaft diameter 2.250 in (57.150 mm), outside diameter 3.756 in (95.402 mm), housing bore 3.751 in (95.275 mm), overall width 0.500 in (12.700 mm), Redi-Coat yes, and a steel case with inner case. It supports a maximum shaft speed of 3000 ft/min and a pressure rating of 7 psi, with an operating temperature range from −40°F to 225°F (−40°C to 107°C). Common replacements include SKF 415259, CR 415259, and National 415259.