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The Thin Section Sealed Radial Contact Bearings is mainly used to bear the radial load and unidirectional thrust load. Generally, this type of bearing is used in pairs.
Both inner ring and outer ring of the C-type (Radial Contact Ball Bearing) have a single-row deep groove.
The C-type bearing has the best performances when the clearance between the balls and the raceway (i.e., radial clearance) is smallest.
The disalignment of the shaft and housing holes can change the clearance.
Under the condition without the axial load, a force should be applied at the central of ball and raceway. The clearance can be increased or decreased to adapt to the operation conditions.
For C-type bearing without ball-installing holes, it can bear the axial (thrust) load in two directions in addition to the radial load. However, its axial load carrying capacity depends on the clearance after installation.
If radial clearance is more than the standard value, the C-type bearing (Radial Contact Ball Bearing) can obtain a greater contact angle under an axial load, which can support a greater thrust load. Under this situation, the bearing should be adjusted with the other bearing that has the same structure in order to reduce the axial displacement under the alternating axial force. In this case, the Thin Section Sealed Radial Contact Bearings is used as an Angular Contact Ball Bearing instead of a Radial Contact Ball Bearing.
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