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Knowledge Of Bearing Lubrication
Aug 25, 2018

Oilless Bearings


The role of bearing lubrication


Lubrication has an important influence on the fatigue life of rolling bearings and sliding self-lubricating bearings such as friction, wear, temperature and vibration. Without normal lubrication, the bearings can not work. Analysis of bearing damage causes that 40% of the bearing damage is related to poor lubrication. Therefore, good lubrication of bearings is an effective measure to reduce friction and wear of bearings. In addition, bearing lubrication also has heat dissipation, rust prevention, sealing, mitigation of impact and other functions, bearing lubrication can be briefly described as follows:


A. Forming a layer of oil film between the copper alloy bushes on the two rolling or sliding surfaces to separate the two surfaces and reduce friction and wear on the contact surfaces.


B. When oil lubrication is used, especially when circulating oil lubrication, oil mist lubrication and oil injection lubrication are used, most of the friction heat inside the bearing can be carried out with oil-free bearing bushing, which plays an effective role in heat dissipation.


C. When grease is used, the external dust and other foreign matters can be prevented from entering the bearing, and the sealing effect is achieved.


D. has the effect of preventing metal corrosion. E. prolongs the fatigue life of bearings.


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