Rolling is a precision mechanical bearing component, the bearing user hope the host can not be damaged in the intended use period and to maintain its dynamic performance, but the objective fact is sometimes not satisfactory, the sudden bearing failure accident will cause the user significant losses. Through a lot of rolling bearing failure analysis studies have shown that bearings short-lived or premature loss of precision, some improper material defects or manufacturing, but to a large extent is not strictly in accordance with the bearings for installation, maintenance, or bearing selection of inappropriate or actual load exceeds the causes of bearing rated load bearing non-normal damage, and fatigue spalling of the bearing parts, for example, in large part because the lubricant mixed with impurities caused. Visible, in order to achieve the rolling bearing has a longer life and to maintain the accuracy of, addition to requirements of bearing manufacturers to improve product quality, bearing users must scientific methods and procedures use bearing, otherwise, no matter how good the bearings will be bad mortality under random conditions of use.



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