Understand common bearing types in one article

1. Self-aligning ball bearing

Spherical roller bearings are equipped with drum roller bearings between the inner ring with two raceways and the spherical outer ring. The curvature center of the outer ring raceway surface is consistent with the bearing center, so it has the same function as the self-aligning ball bearing.

When the shaft and housing flex, it can automatically adjust the axial load in two directions. Shuote said that when the radial load capacity is strong, it will be more suitable for heavy load and shock load.


2. Needle roller bearings

The basic structure of the bearing with inner ring is the same as that of the NU cylindrical roller bearing, but due to the use of needle rollers, it can reduce the volume and withstand larger radial loads. The bearing without inner ring should choose the same hardness shaft to install the surface.
3. Thrust needle roller bearings

The separated bearing is composed of rolling ring, needle roller and cage components, and can be combined with stamping thin raceway ring or cut into thick raceway ring.

The non-separable bearing is an integral bearing consisting of race ring, needle roller and cage components, and is processed by precision stamping. This kind of bearing can bear one-way axial load, and it occupies a small space, which is conducive to the compact design of the machine.