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Thrust roller bearing 81222

release time:2018-07-03
 
     Thrust roller bearings are used to support axial and radial combined loads with axial loads, but radial loads must not exceed 55% of axial loads. Compared with other thrust roller bearings, this type of bearing has a low friction factor, a high rotational speed, and has a self-aligning performance.
     Thrust cylindrical roller bearings and thrust tapered roller bearings are suitable for low speed applications. Thrust tapered roller bearings have slightly higher rotational speed than thrust cylindrical roller bearings. Thrust cylindrical roller bearings are separate bearings that can only withstand one-way axial loads and slight impacts, and can limit the axial displacement of the shaft (or casing) in one direction, so it can be used as one-way axial positioning. However, its carrying capacity is much larger than that of thrust ball bearings. When the roller rolls, the roller speed is inevitably slipped on the ferrule raceway due to the different linear speeds at both ends of the roller. Therefore, the limit rotation speed of such a bearing is lower than that of the thrust ball bearing, and is usually only suitable for low-speed operation.
     The standard design of the thrust cylindrical roller bearing adopts a metal solid cage, and other types or materials of cages can be used according to user requirements. Thrust tapered roller bearings can only bear one-way axial load and can limit the axial displacement of the bearing in one direction, so it can be used as one-way axial positioning. Compared with the thrust cylindrical roller bearing, the bearing capacity is large and the relative sliding is small, but the limit rotation speed is low.
     Thrust cylindrical roller bearings are mainly used in heavy machinery, high power marine gearboxes, oil rigs, vertical motors and other machinery.