More than load bearing is a major cause of bearing damage, rust most likely to develop into bearing corrosion, is the source of early wear and fatigue, severe fatigue damage can lead to bearing of scrap.
In the General case, bearings of rolling contact fatigue damage of metal on the surface of rolling bearing the main reason. Thus, for a particular application, based on rolling fatigue is enough to select the appropriate bearings and sizes. ISO281 is metal fatigue of the rolling contact surfaces as a basis. But more importantly, you should make, which may have some cage, lubricant and seals, bearing its durability plays a similar role in the life cycle, because in some cases a leading role, a complete system of bearing. In theory, when all of the components to achieve the same living, is the ideal working and living. In other words, the bearing life calculation in real working life, an integral part of working life, must be at least of bearing life calculation.
The load rating of the bearing with the load on the bearing size and nature, its value more than rated load bearing, such as load size, direction, the load on the bearing is a one-way or two-way, cause fatigue damage of bearings. Periodic maintenance, operation of the bearing device and other external parts replacement bearings were removed for inspection, bearing disassembly and Assembly considerations should require in turn determine whether the bearing components can be used again and record the use of good from bad.


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