How to choose grease for transmission roller bearing?

Tips for choosing grease for transmission roller bearing
Anti-rust performance
The grease used in the bearing must have an anti-rust effect, and the anti-rust agent cannot dissolve in water. The grease should have good adhesion to form an oil film on the surface of the steel, and it can be maintained even if the grease is filled with water.
Mechanical stability
Grease will soften during machining, causing leakage. When there is an application example of vibration, grease will be thrown into the bearing from the bearing seat. If the grease seat is thrown out of the bearing, this will cause the structure of the soap to mechanically disintegrate and the grease used will be destroyed.

If you don't know which type of lubrication the transmission roller bearing originally used, you must first remove the old grease inside and outside the bearing before refilling the grease.

Classification of grease
According to temperature and working conditions of transmission roller bearing:
Greases can be classified according to their allowable working temperature. The consistency and lubricating ability of greases are affected by the working temperature. transmission roller bearing operating at a certain temperature must choose greases that have a correct and good lubrication effect at the same temperature.

Grease is manufactured in different operating temperature ranges, which can be divided into low temperature (LT), medium temperature (MT), and high temperature (HT) greases. At the same time, there is a type of grease called EP (extrusion resistant) or EM (extrusion resistant with addition of molybdenum disulfide), and additives are added to enhance the strength of the lubricating oil film.

Choose grease for transmission roller bearing
If you choose the wrong grease, all measures to prevent transmission roller bearing damage are in vain. It is very important to choose a grease whose base oil viscosity can provide sufficient lubrication effect at working temperature. The viscosity is mainly affected by temperature, and it varies with temperature. It rises and falls. When the temperature drops, it rises. Machine builders usually specify the use of a certain grease. Most standard greases can be used in a wide range.

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