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Spherical roller bearings comprising barrel-shaped convex rollers, double-row inner ring and outer ring are classified into four types: R, RH, RHR and RHA, according to their internal structure.
With the bearing designed such that the circular arc center of the outer ring raceway matches with the bearing center, the bearing is self-aligning, insensitive to errors of alignment of the shaft relative to the housing, and to shaft bending. This type can accommodate radial load and axial load in both directions, which makes it especially suitable for applications in which heavy load or impact load is applied. The tapered bore type can be easily mounted/dismounted by using an adapter or withdrawal sleeve. |
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