Description
Hardness: Normalizing hardness of the rings is 187HB-241HB, quench & temper hardness is 229HB-269HB, hardness of the raceway after quenching is 55HRC-62HRC.
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Hardness: Normalizing hardness of the rings is 187HB-241HB, quench & temper hardness is 229HB-269HB, hardness of the raceway after quenching is 55HRC-62HRC.