What Are the Fan Bearings In CPU Air Cooler? You Should Know That

For heat dissipation, although there are two main ways of heat dissipation, air cooling and liquid cooling,CPU air cooler heat dissipation still occupies an important position in the market. Compared to CPU liquid coolers, the most annoying thing about CPU air cooler is the noise generated when the fan is working. There are many factors that determine the degree of fan noise, including fan speed, fan size, dynamic balance of the fan, the use of the environment ...... and so on. One of the most important factors is the type of fan bearing, sleeve bearing, hydraulic bearing, double ball bearing ...... a variety of fan bearings, so what is the impact of these bearings on the fan's quiet and life? Next we will learn some of these related knowledge about bearings in detail.

In mechanical engineering, the type of bearing is actually very much, but in the radiator fan, case fan can be used, can be mainly divided into sleeve bearing and ball bearing.

Sleeve Bearings

Sleeve bearings are bearings that use sliding friction and use lubricating oil as lubricant and dampening agent.Sleeve bearings have lower manufacturing cost and are suitable for users with limited budget.When this type of bearing is used for a long time, the lubricant will gradually evaporate due to the oil seal and dust will enter the bearing, which will cause problems such as slower fan speed and increased noise, and in serious cases, the dynamic balance of the fan will be affected due to bearing wear.These phenomena, either open the oil seal refueling, or only out of the purchase of a new fan.

Hydraulic Bearing

Hydraulic bearing is improved from the sleeve bearing, has a larger oil storage space than the sleeve bearing, and has a unique loop back type oil supply circuit. Hydraulic bearing fans have a significant reduction in CPU cooler operating noise and a very long service life of up to 40,000 hours.

Lori Air CPU Cooler with Hydraulic Bearing

FDB (Fluid Dynamic Bearing) Bearing

FDB bearings use oil or other liquids as the lubricating medium, through the liquid to form a stable oil film between the shaft and the bearing, thus reducing friction and wear.The FDB bearing CPU coolers have low noise, high efficiency and long service life, which is suitable for operating in the environment of high speed and high load.

Lori Air CPU Cooler with FDB Bearing

Double ball bearings

Double ball bearing adopts the form of rolling friction of two ball bearings, there are several tiny steel balls around the axis of the bearing, when the fan page or axis rotates, the steel balls will follow the rotation. Advantages of double ball bearing CPU coolers are better sealing, long life time, about 50,000-100,000 hours; good aging resistance, suitable for fans with high rotation speeds.

Lori Air CPU Cooler with Double Ball Bearing

As a CPU cooler manufacturer, Lori provides air-cooled coolers with different fan bearings, and can also provide customized cooling solutions for your server cooling, if you have the need to buy a radiator please contact us in time.