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What is a bearing cage?

Updated: 12/19/2022
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12y ago

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A bearing cage is a structure which keeps the individual ball bearings or needle bearings or rollers that are part of the same "bearing" unit in approximately the correct position relative to each other. In must bearing utilising a cage, the cage does not come directly into contact with any individual ball, needle, roller, or race during use being separated by a film of grease or oil.

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Q: What is a bearing cage?
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How inserting balls in bearing inside during the manufacturing?

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