Wheel Hub Bearing (REPH288409) Wheel bearings are typically located right at the spindle of the wheel hub to allow free wheel movement. By minimizing the friction that goes with metal to metal surface contacts as your car rotates, the functionality of the part is crucial to the overall performance of your vehicle. Keeping the part periodically greased or re-packed every two years, which is equivalent to 24, 000-mile service, is essential to keep it in top notch working conditions.