Timken National Oil Seal 415259 2.25 x 3.751 x 0.500

The Timken National Oil Seal 415259 is a high-quality radial shaft seal designed for reliable performance in preventing lubricant leakage and contaminant ingress in rotating machinery. Manufactured by Timken, a leader in engineered bearings and power transmission products, this seal features a nitrile rubber (NBR) lip material for excellent resistance to oils, fuels, and moderate temperatures. Key dimensions include a 2.25-inch shaft diameter, 3.751-inch housing bore, and 0.500-inch width, making it suitable for applications in automotive, agricultural, and industrial equipment such as gearboxes, axles, and pumps. Benefits include superior sealing efficiency, durability under dynamic conditions, and easy installation, reducing downtime and maintenance costs. Compared to generic seals, the 415259 offers enhanced wear resistance and longer service life due to Timken's precision engineering. Drawbacks may include limited compatibility with extreme temperatures or aggressive chemicals without customization. This unit appears new in original packaging, with a manufacture or purchase date of 2006, and shows no signs of wear from the provided images. For detailed model decoding and specs, refer to Timken's seal catalogs available on their official website.