Thrust Roller Bearing

Thrust roller bearings are used to bear axial and radial combined loads mainly bearing axial loads, but the radial load shall not exceed 55% of the axial load. Compared with other thrust roller bearings, this kind of bearing has a lower friction coefficient, higher speed and self-aligning performance.

The roller of the 29000 type bearing is an asymmetric spherical roller, which can reduce the relative sliding between the roller and the raceway during work, and the roller is long, the diameter is large, the number of rollers is large, and the load capacity High, oil lubrication is usually used, and grease lubrication can be used for individual low speed conditions. When designing and selecting, it should be preferred;

80000 type thrust cylindrical roller bearing, 90000 type thrust tapered roller bearing and AXK type thrust needle roller bearing can bear unidirectional axial load. Compared with the thrust ball bearing, the axial load capacity is much larger, and the rigidity is large, and the axial space occupied is small.

Thrust cylindrical roller bearings and thrust tapered roller bearings are suitable for low speed applications, and the speed of thrust tapered roller bearings is slightly higher than that of thrust cylindrical roller bearings. Thrust cylindrical roller bearings are separable bearings, which can only bear one-way axial load and slight impact, and can limit the axial displacement of the shaft (or shell) in one direction, so they can be used for one-way axial positioning. But its carrying capacity is far greater than that of thrust ball bearings. When the rollers are rolling, due to the different linear speeds at both ends of the rollers, the rollers inevitably slide on the raceway of the ring. Therefore, the limit speed of this type of bearing is lower than that of thrust ball bearings, and it is usually only suitable for low-speed operation.

Thrust cylindrical roller bearings of standard design adopt car-made metal solid cages, and cages of other types or materials can also be used according to user requirements. Thrust tapered roller bearings can only bear one-way axial load and can limit the one-way axial displacement of the bearing, so they can be used for one-way axial positioning. Compared with thrust cylindrical roller bearings, it has larger load capacity and smaller relative slip, but lower limit speed.