The self-aligning roller bearing is equipped with a drum shaped roller bearing between the inner ring with two raceways and the outer ring with spherical raceways. The curvature center of the outer race surface is consistent with the bearing center, so it has the same centering function as the self-aligning ball bearing. In case of deflection of shaft and shell, the load and axial load in both directions can be adjusted automatically. Large radial load capacity, suitable for heavy load and impact load. The inner diameter of the inner ring is a bearing with a tapered hole, which can be directly installed. Or it can be installed on the cylindrical shaft with a set sleeve and a disassembly cylinder. The cage is made of steel plate stamping cage, polyamide forming cage and copper alloy turning cage.

For self-aligning bearings, when installing the bearing with shaft into the shaft hole of the box, the middle mounting ring can prevent the outer ring from tilting and rotating. It should be remembered that the balls of some sizes of self-aligning ball bearings protrude from the side of the bearing, so the middle mounting ring should be recessed to prevent damage to the balls. A large number of bearings are generally installed by mechanical or hydraulic pressing method.

For separable bearings, the inner ring and outer ring can be installed separately, which simplifies the installation process, especially when the inner and outer rings need interference fit. When installing the shaft with the inner ring in place into the bearing housing with the outer ring, it is necessary to check whether the inner and outer rings are correctly aligned to avoid scratching the bearing raceway and rolling parts. If the cylindrical and needle roller bearings adopt an inner ring without flange edge or an inner ring with flange edge on one side, it is recommended to use a mounting sleeve. The outer diameter of the sleeve shall be equal to the inner ring raceway diameter F, and the tolerance standard for machining shall be D10. It is best to install the pressed outer ring needle roller bearing with a mandrel.