PINION SEALS

SKF says its new unitized pinion seal for heavy-duty applications reduces temperature at the sealing lip, promotes error-free installation and extends service life. It features a fluorelastomer sealing lip suited to high operating temperatures. Its patented Waveseal design is said to sweep oil back towards the bearing, allowing the seal to run cooler. The seal consists of a half metal ID, which allows heat to dissipate, and a half rubber ID, which maintains positive grip on the yoke surface and prevents leak path. The sealant across the Bore-Tite OD serves as a protective coating, also eliminating leak paths.

The new pinion seal is said to be an ideal choice for heavy duty applications that operate under extremely high temperatures.

It contains an internal wear sleeve that provides an optional sealing interface and protects the yoke shaft. The unitized design creates a one-piece installation, eliminating the need to stock or install wear sleeves. And an internal ‘labyrinth’ design with multiple dirt lips prevents ingress of contamination.

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