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Automobile bearing

Automobile bearing

In the past, single row tapered roller or ball bearings were used most frequently in car hub bearings. With the development of technology, car hub unit has been widely used. With the increasing use of hub bearing unit, it has developed to the third generation: the first generation is composed of double row angular contact bearing. The second generation has a flange for fixing the bearing on the outer raceway, which can simply fix the bearing sleeve on the axle with nuts. Make the maintenance of the car easier. The third generation hub bearing unit adopts bearing unit and anti lock brake system ABS. The hub unit is designed with an inner flange and an outer flange, the inner flange is fixed on the drive shaft with bolts, and the outer flange installs the whole bearing together. Worn or damaged hub bearing or hub unit will cause improper and high cost failure of your vehicle on the road, and even cause damage to your safety. Please pay attention to the following matters in the use and installation of hub bearing:
1. In order to ensure safety and reliability to the greatest extent, it is recommended that you always check the hub bearing no matter how old the vehicle is - pay attention to the early warning signal of bearing wear: including the friction noise during any rotation or the abnormal deceleration of suspension combination wheel during turning. For rear wheel drive vehicles, it is recommended to lubricate the front hub bearing when the vehicle reaches 38000 km. When replacing the brake system, check the bearing and replace the oil seal.
2. If you hear the noise from the hub bearing, first of all, it is important to find the location where the noise occurs. There are many moving parts that may produce noise, or some rotating parts may contact with non rotating parts. If the noise in the bearing is confirmed, the bearing may be damaged and needs to be replaced.
3. Since the working conditions of bearing failure on both sides caused by the front hub are similar, it is recommended to replace in pairs even if only one bearing is damaged.
4. The hub bearing is relatively sensitive, so it needs to adopt correct methods and appropriate tools under any circumstances. During storage, transportation and installation, the components of the bearing shall not be damaged. Some bearings need to be pressed in with high pressure, so special tools are needed. Be sure to refer to the car manufacturing instructions.

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