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What harm can low-quality lubricating oil cause to bearings?

Resource from:  CBCC Likes:85
Sep 20,2023

What harm can low-quality lubricating oil cause to bearings?

1.jpgLow-quality lubricating oil can cause several problems and harm to bearings in various ways. Bearings play a critical role in machinery and equipment, allowing for smooth and efficient rotation of components. Proper lubrication is essential to ensure the longevity and performance of bearings. Here are some of the potential harms low-quality lubricating oil can cause to bearings:

1.Increased Friction and Wear: 

Low-quality lubricating oil may lack the necessary additives and properties to provide effective lubrication. As a result, it may not form a durable film between the bearing surfaces, leading to increased friction and wear. This can cause accelerated wear and tear on bearing components, reducing their lifespan.


 Inadequate lubrication can lead to overheating of bearings. When friction between bearing surfaces is not properly reduced, it generates excess heat. Elevated temperatures can cause the lubricant to break down more quickly and can also lead to thermal expansion of bearing components, potentially leading to deformation and failure.


Low-quality lubricating oil may contain impurities, contaminants, or insufficient filtration. Contaminants like dirt, debris, and particles can be introduced into the bearing system, leading to abrasive wear. Over time, this can result in pitting, scoring, and other damage to bearing surfaces.


Inadequate lubrication can leave bearing surfaces exposed to moisture and corrosive elements. Bearings can rust and corrode, further increasing friction and reducing their effectiveness. Corrosion can compromise the structural integrity of the bearing, leading to premature failure.

5.Reduced Load-Carrying Capacity:

Bearings rely on a stable lubricating film to support loads and distribute them evenly across the bearing surfaces. Low-quality lubricants may not provide sufficient load-carrying capacity, which can lead to excessive stress on certain areas of the bearing, potentially causing fatigue and failure.

6.Vibration and Noise:

Poor lubrication can result in increased vibration and noise in the machinery. Excessive friction and wear can cause irregular movement of bearing elements, leading to increased noise levels and potentially causing vibrations that can damage other components.

7.Reduced Efficiency:

Inefficient lubrication can lead to increased energy consumption and reduced overall machine efficiency. As bearings experience higher levels of friction and wear, more power is needed to maintain operation, which can result in higher operational costs.

To avoid these problems and ensure the proper functioning and longevity of bearings, it is essential to use high-quality lubricating oils that are suitable for the specific application and adhere to recommended maintenance practices, including regular oil analysis and replacement. Proper lubrication and maintenance are crucial for preventing premature bearing failure and minimizing downtime in industrial machinery and equipment.



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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