Operation of the bearing lubrication and life is a very important impact. Base oils, thickeners and additives made from oil. The base oil in determining performance of lubricating grease. High-temperature, high-load, high viscosity; low viscosity at low temperature, high speed base oils.
Thickening agents also lubricant, grease water thickening agent determines the resistance of the water. In principle, the oils do not mix different brands, even thickening agent for grease, is also due to the influence of different additives each other. With anti-rust oil coating bearings, must be cleaned carefully clean gasoline or kerosene, and then with a clean high quality or high speed and high temperature grease coated before installing. Sealed bearings are not required to clean fuels.
1. the size, orientation, and the nature of the load: suited to withstand the light load of ball bearings, roller bearings suited to withstand heavy loads and impact loads. Dang bearing by pure axis to load Shi, General selection thrust bearing; Dang bearing by pure radial load Shi, General selection deep groove ball bearing or short cylindrical roll child bearing; Dang rolling bearing by pure radial load of while, also has is unlikely to of axis to load Shi, can selection deep groove ball bearing, and corner contact ball bearing, and tapered roll child bearing and the adjusting heart ball or adjusting heart roll child bearing; Dang axis to load larger Shi, can selection contact corner larger of corner contact ball bearing and the tapered roll child bearing, or selection radial bearing and thrust bearing combination in together, This extremely high axial load or the special requirements of a greater axial rigidity is particularly adapted when Yi.
2. Allowed speed: due to different bearing types have a lot of differences. Under normal circumstances, less friction, heat bearings, suitable for high speeds. Design should be a great work under conditions of rolling bearings below the speed limit.
3. stiffness: when subjected to load, bearing rings and rolling elements elastic deformation of contact will produce, proportional to the deformation and the load, the ratio determines the size of bearing stiffness. In General can be improved by bearing preload bearing rigidity; in addition, in the design of bearing, bearing combinations and arrangements can also improve the stiffness of bearing supports.
4. aligning performance and installation errors: bearing mounting location, often installed due to manufacturing errors and poor positioning. At this time often causes deflection and thermal expansion, axis, bearings are subjected to excessive loads caused the early damage. Self-aligning bearings are free to overcome deficiencies caused by installation errors, and bearings are suitable for such purposes.
5. mounting and dismounting: tapered roller bearings, needle roller bearings, tapered roller bearings, and so on, belonging to the inner and outer rings separable type of bearing (otherwise known as separable), easy installation and removal.
In the course of operation, needs the correct bearing relubrication, improving its performance. Lubrication of bearings, grease lubrication and oil lubrication. In order to play a good bearing features, first of all, to be selected under the right conditions, lubrication methods used. If you only consider lubrication, oil lubrication lubrication dominates. However, simplified bearing structure expertise around oil.


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