No matter if it's a 3,200 lb. NASCAR or a 1,630 lb. Indycar, the wheel bearings can help to put a car in pole position and win a race. Racing teams are always looking for extra speed from the wheel bearings. The first requirement for a wheel bearing is to have enough stiffness to resist deflection under cornering. A racing wheel bearing must also have the lowest possible friction. Friction between the seal and hub can eat up horsepower and kill top speed. Even a small improvement in a wheel bearing design can yield extra power and speed.
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