Thrust cylindrical roller bearings are a type of rolling bearing designed specifically to withstand axial loads. Their working principle is achieved through sliding or rolling contact between cylindrical rollers and the inner and outer raceways of the bearing. In this type of bearing, the rollers are not spherical, but cylindrical, which means that they have a larger contact area during operation, which enables thrust cylindrical roller bearings to withstand higher axial loads than ordinary ball bearings. Thrust cylindrical roller bearings are widely used in mechanical equipment that needs to withstand large axial forces, such as heavy machinery, ships, automobiles and other fields.
When the thrust cylindrical roller bearing is put into use, the external load is applied to the inner or outer ring of the bearing in the axial direction. The cylindrical rollers in the bearing slide or roll on the raceways, and they contact and share the load in the axial direction of the inner and outer rings of the bearing. Because the contact area of the rollers is relatively large, the load acting on the bearing can be effectively dispersed, allowing the entire bearing system to work stably for a long time. The shape of the cylindrical rollers also enables the bearing to reduce friction and wear when it is subjected to large axial loads, extending the service life of the bearing.
Compared with spherical roller bearings, thrust cylindrical roller bearings have a more sophisticated arrangement of rollers and contact surfaces when subjected to axial loads. The rollers are arranged in the axial direction and separated by cages to prevent direct contact between the rollers. The role of the cage is very important. It not only helps to keep the rollers in the correct position, but also effectively reduces the friction between the rollers, so that the bearings can maintain a smooth operation during operation.
During the operation of the bearing, the contact surface between the rollers and the raceways will change slightly. When the load is large, the contact pressure between the rollers and the raceways will increase, and the rolling trajectory of the rollers will also be adjusted to adapt to different load distributions. This design ensures uniform load distribution and avoids bearing damage caused by local overload.
