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The purpose and method of bearing lubrication


Bearing lubrication purposes:
Rolling bearing lubrication to reduce internal friction and wear, to prevent burning stick, its lubricating effect is as follows.
⑴. Reduce friction and wear.
Constituting the bearing rings, rolling elements, and each contact portion of the retainer to prevent the metal contacts, reducing friction and wear.
⑵. Extend the fatigue life.
Rolling bearing fatigue life, in the rotation, the rolling contact surfaces oiled, then extended. Conversely, low viscosity oil, the lubricant film thickness is not good, is shortened.
⑶. Discharge frictional heat, cooling
Circulation to the oil law and other oil discharge occurred by friction heat, or heat coming from the external cooling. Prevent bearing overheating, prevent oil itself aging.
⑷. Others
Also prevent dust and debris inside the bearing, or to prevent rust, corrosion effect.
Lubrication method:
Bearing lubrication methods, divided into grease and oil lubrication. In order to play well bearing function, first, to select suitable conditions, the use method for the purpose of lubrication. Only consider lubrication, oil lubrication dominant. However, there can be simplified grease around the bearing structure of expertise, the grease and oil lubrication compare the pros and cons.

 

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