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Cylindrical roller bearing cage classification

by:JNSN     2021-12-18
One: Stamping steel cage. The stamped steel cage of cylindrical roller bearings is made of low-carbon steel and undergoes a series of cutting, forming and perforating processes. This kind of cage has a variety of designs and is suitable for general applications of cylindrical roller bearings. The S-type cage used for 5200 series cylindrical roller bearings is a special design, which is mounted on and guided by the outer ring rib. The beams of this cage are recessed design, they evenly isolate the rolling elements and keep them on the outer ring. Stamped steel cages can be easily mass-produced, and can be used in high temperature and insufficient lubrication environments. Two: Machining cage. The machined cage is an option for small cylindrical bearings, usually made of brass. The machined cage design of cylindrical roller bearings can provide better performance in severe applications. The cage adopts a one-piece or two-piece design. The one-piece design can be a finger cage as shown in Figure 4, or a standard cage with fully polished pockets. One-piece finger design and two-piece window cage (Figure 5) are more common in standard cylindrical roller bearings. They are all roller-guided designs. The one-piece pocket design (Figure 6) is a high-quality cage for EMA series bearings. Different from the traditional cylindrical roller guide cage, it is an outer ring guide cage, which can minimize the drag on the rolling elements, thereby reducing heat generation and prolonging the service life of the bearing. Compared with the two-piece design, this one-piece cage can also reduce heat generation and wear by improving the fluidity of the lubricant. Three: pin cage. The pin cage of the cylindrical roller bearing consists of two metal rings and a set of pins passing through the center of the rolling element. This kind of cage is used for large diameter cylindrical roller bearings that cannot use machined brass cages. When using this design, the number of cylindrical rollers can usually be added to increase the load-bearing capacity.
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