Features, differences and corresponding uses of 14 common bearings (2)


11. Thrust cylindrical roller bearings
It consists of washer-shaped raceway rings (shaft washers, seat washers), cylindrical rollers and cage assemblies. The cylindrical roller is processed with convex surface, so the pressure distribution between the roller and the raceway surface is uniform, and it can bear one-way axial load, with large axial load capacity and strong axial rigidity.
Main uses: oil drilling rigs, iron and steel making machinery.

12. Thrust needle roller bearings
Separable bearings are composed of raceway rings, needle rollers and cage assemblies, and can be combined arbitrarily with stamped thin raceway rings or cut and machined thick raceway rings. Non-separable bearings are integral bearings composed of precision stamped raceway rings, needle rollers and cage assemblies, which can withstand unidirectional axial loads. This type of bearing occupies a small space and is conducive to the compact design of machinery. Only the needle roller and cage assembly is used, and the mounting surface of the shaft and housing is used as the raceway surface.

Main application: speed change device for automobiles, cultivators, machine tools, etc.

13. Thrust tapered roller bearings
This type of bearing is equipped with a truncated truncated roller (the big end is a spherical surface), and the roller is accurately guided by the rib of the raceway ring (shaft washer, seat washer). The vertices of each conical surface intersect at a point on the center line of the bearing, the one-way bearing can bear one-way axial load, and the two-way bearing can bear two-way axial load.
The main purpose:
One-way: crane hook, oil rig swivel.
Bidirectional: rolling mill roll neck.

14. Outer spherical ball bearing with seat
The spherical insert ball bearing with seat consists of a spherical insert ball bearing with seals on both sides and a cast (or steel plate stamped) bearing seat. The internal structure of the outer spherical ball bearing is the same as that of the deep groove ball bearing, but the inner ring of this kind of bearing is wider than the outer ring, and the outer ring has a truncated spherical outer surface, which can be automatically aligned with the concave spherical surface of the bearing seat.
Main uses: mining, metallurgy, agriculture, chemical industry, textile, printing and dyeing. Conveying machinery, etc.