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Why Bearings Are Cleaned With Oil Instead Of Water

Resource from:  CBCC Likes:79
May 24,2023

Why Bearings Are Cleaned With Oil Instead Of Water

Bearings are typically cleaned with oil instead of water for several reasons:


1.Lubrication: Bearings require proper lubrication to function effectively and minimize friction. Oil-based cleaning helps to maintain the lubricating properties of the bearing. Water can wash away the lubricating oil, leaving the bearing susceptible to increased friction, wear, and potential damage.

2.Corrosion prevention: Many bearings are made of steel or other metal alloys. Water can cause corrosion and rust on metal surfaces, which can compromise the integrity of the bearing. Oil acts as a protective barrier, preventing moisture from reaching the metal and reducing the risk of corrosion.

3.Drying time: Oil evaporates more slowly than water, allowing it to remain on the bearing surfaces for a longer period. This extended contact time helps dissolve and remove contaminants, such as dirt, dust, or old lubricant, more effectively. Water would quickly evaporate, limiting its cleaning efficiency.

4.Compatibility: Bearings often have seals or other components made of rubber or synthetic materials. These materials can be sensitive to water, which may cause swelling, degradation, or loss of functionality. Oil-based cleaning is generally safer for these components, minimizing the risk of damage.

5.Residual protection: After cleaning, a thin film of oil can be left on the bearing surfaces, providing a protective coating against future contaminants and helping to maintain lubrication until fresh lubricant is applied. This residual oil film contributes to the longevity and performance of the bearing.

It's important to note that the specific cleaning method and choice of cleaning agent may vary depending on the type of bearing, its application, and manufacturer recommendations.



Company:Luoyang EFANT Precision Bearing Manufacturing Co. Ltd

Address:No. 9 Jingjin North Rd, Luoxin Development Zone, 

Xin'an County, Luoyang City, Henan Province 471003, China


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