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Metal sealing is a common sealing method for deep groove ball bearings, which can reduce friction and energy loss. Since metal seals usually have smooth surfaces, this smooth feature can minimize the friction between seals, especially in the use scenario of high-speed operation of deep groove ball bearings. This feature is very useful for extending deep groove ball bearings. Life span is very important.
As we all know, metals have relatively high hardness compared to other substances, which also means that they have good wear resistance. For bearings, wear resistance is very important, which helps to reduce losses caused by friction. , maintain the shape and surface quality of the seal.
More importantly, metal seals are usually able to withstand higher temperatures, which helps reduce the deformation and softening of the sealing part due to the heat generated by friction during high-speed rotation, thereby reducing frictional resistance. In addition, the friction coefficient of metal itself is lower than that of other materials, so using metal sealing technology can reduce friction to the greatest extent.
The design of metal seals is relatively simple, which can reduce the contact surface between seals and reduce friction. At the same time, a properly designed metal seal can reduce oil and air leakage and maintain the integrity of the lubricating oil film inside the bearing.
