This bearing set includes two front and three rear ceramic bearings, providing 40% less friction than steel bearings for better horsepower and 60% less rotating weight. The low-tension, maintenance-free dust seals, Mobil® Polyrex® light weight aerospace grease, and other features extend bearing life up to 3-5 times longer than steel, reduce vibration, and keep temperature low. Plus, no extra maintenance is required and it's backed by a 2-year warranty. Precision-made in the USA.
