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Two differences between heavy-duty rollers and deep groove ball bearings
The moving body is a radial rolling bearing with cylindrical rollers. The internal structure of the cylindrical roller bearing adopts the rollers arranged at 90° perpendicular to each other (this is also the origin of the name of the crossed roller bearing). There are spacers or spacers between the rollers, which can prevent the rollers from tilting or rolling. Grinding between them effectively prevents the increase of rotational torque. Full Complement Cylindrical Roller Bearings: Deep groove ball bearings are a 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 also 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 seal and oil-proof. seal. Cylindrical roller bearings are the same as deep groove ball bearings: They mainly bear radial loads and can bear a small part of axial loads. The differences between cylindrical roller bearings and deep groove ball bearings: 1. Deep groove ball bearings have higher limit speed, relatively large axial load bearing capacity, and relatively small radial load bearing capacity; 2. Cylindrical roller bearing service limit The rotational speed is not as high as that of deep groove ball bearings, which basically cannot bear 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 in the case of low speed and heavy load, and deep groove ball bearings are preferred in the case of high speed and light load. For the limit speed and rated load of the specific bearing, please refer to the mechanical design manual or consult the manufacturer.
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