The Product Description: Wheel hub bearings are key components for automobile, which are applied to chassis system. The main function is to support the weight and guide the rotation of wheel hub. They allow each wheel to spin freely and at the desired speed. Wheel bearings take a steady amount of abuse. They support the entire weight of your vehicle while traveling over rough roads, potholes and other rugged terrain. Wheel bearings are one of the longest lasting steering and suspension parts, but it really depends on driving habits, driving conditions and other factors. Our Advantages for wheel hub bearing DAC39/41750037: 1. we are the bearing manufacturer,the most competive price and high  quality. 2. Perfect group of technical engineers give you the best support. 3.Well-trained group of international sales provide the best service. 4.Our brand(VSPZ) aviliable and brand  customization service. 5.Rich stock and quick delivery. our factory workshop: