What are automotive water pump bearings?

What are automotive water pump bearings?

Since the engine as the core of the car is developing in the direction of high power and high power, higher performance requirements are put forward for Auto Water Pump Bearings, such as higher heat resistance and greater load capacity. Capacity and good sealing performance.

Automotive water pump bearings are a new type of structural bearing developed to meet the above needs. It is essentially a double-supported bearing system with a simplified structure. The two supported bearings do not have inner rings. The raceways of the rolling elements are directly made on the shaft. The outer rings of the two supported bearings are made into a whole. Both sides are sealed with seals to form a bearing assembly.

Under the same load capacity, its radial dimension is smaller than that of general type bearings. Because of its good rigidity, rotation, simple structure, and convenient assembly and disassembly, many western developed countries such as the United States, Japan, Germany, etc. have adopted shaft bearings with this structure. At present, it has been widely used in some imported vehicles in China.

Automobile water pump bearing is composed of water pump housing, shaft bearing, water seal, impeller, fan and transmission parts. Shaft bearing is an important part of water pump. Due to the high transmission speed of the water pump, the general water pump has a speed of 6000r/min, and the high speed water pump has a speed of 9000r/min. Therefore, the shaft bearing is required to have a higher load-bearing capacity, so as to meet the requirements of the water pump at a certain speed. The requirements of life, the space location of the water pump is limited, the heat dissipation area is small, and the working conditions are poor. Therefore, the shaft bearing should be able to meet the requirements of high temperature. The cooling water pump bearing has not adopted this advanced structure type, but still uses two The deep groove ball bearing and the circumference form a shaft system.

This type of structure has many links, complex assembly procedures, low efficiency, and poor rigidity. It is being replaced by advanced water pump shaft bearings. The various water pump shaft bearings produced by Changzhou Taiyada Bearing Co., Ltd. meet the requirements of domestic automobiles and maintain normal operation without reducing the load carrying capacity. The sealing of the bearing has a certain degree of difficulty, and its sealing reliability and durability will directly affect the usability of the water pump. In short, the bearing capacity, working clearance and sealing performance of shaft bearings are three important performance indicators that affect the performance of Auto Water Pump Bearings.