Classification of spherical bearings and their corresponding characteristics

- Oct 26, 2018 -

Spherical bearings can be divided into three categories according to the cooperation method with the shaft. One is a spherical ball bearing with a top wire. The characteristic is that when the shaft is engaged with the shaft, the top wire is used to top the shaft, and then the fixing effect is achieved. However, the environmental needs of its cooperation need to be small in scale and widely used in textile machinery, ceramic machinery and other production.


The other is a tapered spherical spherical ball bearing that can accept a larger load than a spherical outer spherical ball bearing; the other is an eccentric outer spherical ball bearing, which can also be said to be a special bearing due to The first priority is to use it on agricultural machinery.


It can be seen that the outer spherical ball bearing with the eccentric sleeve has the same performance as the outer spherical bearing with the top wire, except that the top wire is not on the inner ring but on the eccentric sleeve. The inner hole of the tapered spherical outer spherical ball bearing is a tapered hole with a 1:12 taper. It can be mounted directly on the tapered shaft or mounted on the shaft without the shoulder by means of a tight bushing, and the bearing clearance can be fine-tuned.


Regardless of the spherical bearing, it is actually a variant of the deep groove ball bearing. Its characteristic is that the outer diameter of the outer ring surface is spherical, which can be fitted into the corresponding concave spherical surface of the bearing housing to serve as a centering function. Since the spherical bearing has been filled with a proper amount of lubricant at the factory, it does not need to be cleaned before installation, no need to add lubricant, and the top wire screw on the protruding end of the inner ring of the bearing is fastened on the shaft. The permissible axial load must not exceed 20% of the rated dynamic load.