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Q: What is the working principle of rolling element bearings?

Q: What is the working principle of rolling element bearings?

Update Time:2021/3/16

A: 

Rolling element bearings developed on the basis of bearings. Its working principle is to replace sliding friction with rolling friction. It is generally composed of two ferrules, a set of rolling elements, and a cage. It is highly versatile, standardized, and serialized basic mechanical parts.