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Two differences in the use of cylindrical roller bearings and deep groove ball bearings

wallpapers News 2021-06-15
Two differences in the use of cylindrical roller bearings and deep groove ball bearings
Deep groove ball bearings are the most common type of rolling bearings. The basic deep groove ball bearing consists of an outer ring, an inner ring, a set of steel balls, and a set of cages. There are two types of deep groove ball bearings, single row, and double row. The deep groove ball structure is divided into two types: sealed and open. The open type means that the bearing does not have a sealed structure. The sealed deep groove ball is divided into dust-proof and oil-proof. seal.
Cylindrical roller bearing moving body is a radial rolling bearing of cylindrical roller. The internal structure of the cylindrical roller bearing adopts the rollers arranged in a 90° crosswise arrangement perpendicular to each other (this is also the origin of the name of the crossed roller bearing), and spacers or spacers are installed between the rollers to prevent the rollers from tilting or rolling. Observe each other, effectively preventing the increase of the rotation torque.
Cylindrical roller bearings are similar to deep groove ball bearings:
Mainly bear radial load, and can bear a small part of axial load.
The difference between cylindrical roller bearing and deep groove ball bearing:
1. The deep groove ball bearing has a high limit speed, a relatively large axial load-bearing capacity, and a relatively small radial load-bearing capacity;
2. The use limit speed of cylindrical roller bearings is not as high as that of deep groove ball bearings, and can basically not bear the axial load, but the radial load-bearing capacity is relatively large.
The basis for the selection of cylindrical roller bearings and deep groove ball bearings:
Cylindrical roller bearings are preferred under low-speed and heavy-load conditions, and deep groove ball bearings are preferred under high-speed and light-load conditions. Refer to the mechanical design manual for the specific bearing limit speed and rated load.

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Tag: Bearing   deep   Ball   groove