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The quality of the cooling fan bearing determines the quality and life of the cooling fan to a large extent. Therefore, miniature bearings for cooling fans must usually have the following properties and characteristics.
1: High-precision, stable and high-precision dimensional tolerances of the cooling fan bearing can make the cooling fan bearing fit perfectly with each component.
2: High speed, flexible rotation. The cooling fan requires that the cooling fan bearing used has a high speed, so the bearing as the transmission part must be a high-speed bearing.
3: Low noise. Usually, cooling fans are used for small household appliances such as computers. Therefore, the noise of the cooling fan is required to be low enough, and the size of the noise depends entirely on the noise of the cooling fan as the core of the transmission. Therefore, the noise of the cooling fan bearing used is required to be low enough.
4: Low friction, complete processing technology and proper lubrication enable the cooling fan bearing to reduce friction and resistance as much as possible during operation, so that the cooling fan bearing can operate without worry.
5: Long life, most of the cooling fans run for a long time, so the life of the cooling fan bearing is required to be long enough, about 40,000 hours, so as to ensure the service life of the cooling fan.
6: Environmental protection.