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What are the benefits of preload for bearings?

The so-called bearing clearance refers to the amount of movement when the bearing is not mounted on the shaft or the bearing box, when the inner ring or the outer ring is fixed on one side, and then the unfixed side is moved in radial or axial direction.

Bearing inner ring cracking analysis

The bearings were air-cooled after hot mounting and the inner rings were found to be cracked. For this reason, the inner ring of the cracked bearing was subjected to chemical composition analysis and metallographic examination to reveal the cause of…