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Bearing materials

The bearing rings and rolling elements of rolling bearings are subjected to repetitive high pressure with a small amount of sliding. The cages are subjected to tension and compression and sliding contact with the rolling elements and either or both of the bearing rings.

Therefore, the materials used for the rings, rolling elements, and cages require the following characteristics:

 Other necessary characteristics, such as easy production, shock and heat resistance, and corrosion resistance, are required depending on individual applications.