Thrust ball bearing: designed to withstand thrust loads during high-speed operation, consisting of a washer shaped ring with rolling grooves for the ball. Due to the cushion shaped ring, thrust ball bearings are divided into two types: flat bottomed cushion type and self-aligning spherical cushion type. In addition, this type of bearing can withstand axial loads, but cannot withstand radial loads. Only applicable to components that can withstand axial loads on one side and have low rotational speeds.
Thrust self-aligning roller bearing: This bearing is roughly the same as a self-aligning roller bearing, with the raceway surface of the seat ring being a spherical surface centered on a point consistent with the central axis of the bearing. The rollers of this type of bearing are spherical, therefore, it has automatic self-aligning function and is not very sensitive to coaxiality and shaft deflection. This type of bearing is mainly used in oil drilling rigs, iron and steel machinery, hydraulic generators, vertical motors, ship propeller shafts, tower cranes, extruders, etc.
Thrust tapered roller bearings: Thrust tapered roller bearings can form a very compact axial bearing configuration, which can withstand heavy axial loads, is insensitive to impact loads, and has good rigidity. Due to the fact that the rolling elements in thrust tapered roller bearings are tapered rollers, structurally, the rolling surface can form pure rolling with a maximum speed higher than that of thrust cylindrical roller bearings because the rolling generatrix and the raceway generatrix of the washer intersect at a certain point on the axis of the bearing.
Thrust cylindrical roller bearing: This bearing is often combined into a high stiffness bearing configuration, which can easily withstand heavy loads and vibration loads. This type of bearing can withstand large axial loads in one direction, but cannot withstand radial loads. They do not have automatic centering capability. Only applicable to components that can withstand axial loads on one side and have low rotational speeds.
Spherical roller bearing: This bearing has two rows of rollers, with a shared spherical raceway on the outer ring and two inner raceway at a certain angle to the bearing axis. The center point of the spherical surface of the outer raceway is located on the axis of the bearing. Therefore, this bearing is a self-aligning bearing that is insensitive to the centering error between the shaft and the bearing seat, which may be caused by factors such as shaft deviation. Spherical roller bearings are well-designed and can withstand not only high radial loads but also heavy axial loads acting in two directions.
