The lubrication of NTN bearing lubrication has an important influence on the fatigue life and friction, wear, temperature rise and vibration of NTN bearings, especially rolling bearings. Without normal lubrication, NTN bearings will not work. In the previous article, we have analyzed that the cause of NTN bearing damage indicates that about 40% of bearing damage is related to poor lubrication. Therefore, good lubrication of NTN bearings is an effective measure to reduce bearing friction and wear.
In addition, the lubrication of NTN bearings also has various functions such as heat dissipation, rust prevention, sealing, and shock absorption.
The role of NTN bearing lubrication can be briefly explained as follows
a. Forming an oil film between the two rolling surfaces or sliding surfaces that contact each other to separate the two surfaces, reducing friction and wear on the contact surfaces.
b. When using oil lubrication, especially when using circulating oil lubrication, oil mist lubrication and fuel injection lubrication, the lubricating oil can take away most of the friction heat inside the bearing and effectively dissipate heat.
c. When grease lubrication is used, foreign matter such as dust can be prevented from entering the bearing and sealing.
d. Lubricants have the effect of preventing metal corrosion.
e. Extend the fatigue life of NTN bearings.
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