OIL SEAL

Federal-Mogul has introduced a new National heavy-duty oil-seal technology that’s said to offer maximum contaminant exclusion. Available this month, the new wheel seal features ‘Dynamic Edge’ technology, a patent-pending feature to deflect contaminants from the seal and other wheel-end components. It consists of an integral sinusoidal wave that actively sweeps and propels environmental contaminants away from the seal face.

In addition to the Dynamic Edge technology positioned along the seal’s circumference, the new seal’s features include a labyrinth design of four floating points of contact to lock out dirt and moisture. The spring-loaded sealing lip, manufactured from abrasion-resistant nitrile, is said to deliver positive sealing with minimal shaft interference. The seal’s unitized construction is claimed to provide increased structural integrity, while a "unique" inside diameter and outside diameter design further resists contamination and prevents bore and shaft leaks.


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