Bearing seal dust-proof cover is more useful than rolling the scroll, and being flexible and relatively low speed limits. When designers in selecting appropriate seals, must consider the function and distribution of lubricants and aspirations of the working premises of the system.
For roller bearings in use are subjected to high loads, strong impact, as well as water and rust dust penetrated, developed a new type of FAG bearings-extremely high load-carrying capacity of sealed, clean lubricated roller bearings. It is said that the load-carrying capacity of the bearing can be increased by 34%, with higher reliability, can under poor lubrication provided work for a long time. The improved sealing of the bearing function, the integration of the mechanical principle of optimization design, new materials and sealing patent technology, installed and easy to manipulate.
In normal sealed roller bearings, seals and width limits the length of the roller, which limited the load carrying capacity of FAG bearings. Therefore, they in the design of new type roller bearing, cage side contained within the seal open-free, allows the roller for longer, thus making roll cage diameter increased and lengthened, cage length is increased, increased basic rated load 34% capacity is reached, proportionate to extend 27 times times the service life of the bearing. The quality of bearing selection "T-F" bearing steel, is also improving the function of bearing hub, due to impurities in the material and lubrication bearing caused by uneven is the main cause of premature failure.
Experience has shown that, subject to the work on pollution, FAG bearings within easy access onto these detrital particles can damage the roller, resulting in stress concentration. In addition, if the lubrication is not average, metal surface hard contact, resulting in tiny "peeling" damaged area can also cause contact stress concentration, both results cause stress concentration of metal parts have a sub surface cracking and ultimate shorten bearing
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