Self aligning roller bearing has two rows of rollers, one common outer race with spherical surface and the inner race are inclined at an angle on the bearing axis. The center point of the ball in the raceway of the outer ring is on the bearing axis. Therefore, the bearing, self-aligning and insensitive shaft relative to the housing, it can, for example, misalignment caused by shaft deflection. Self aligning roller bearings are designed to withstand heavy radial loads and axial loads in both directions.
influence factor
Bearing performance depends not only on load or speed class. There are many other factors that lead to the performance of bearings. To a large extent, the performance affects the geometry of rollers, raceways and cages, heat treatment, and the surface finish of all contact surfaces. The main factors affecting the performance of SKF spherical roller bearings include, but are not limited to:
Symmetrical roller
Self adjustment of symmetrical rollers provides maximum load distribution along the roller length. This makes the emphasis on low all load conditions and prolongs the service life of the bearing.
Roller tolerance
SKF spherical roller bearings are manufactured with extremely strict tolerance dimensions and forms. Each roller has almost the same size and shape as the other rollers in the set. Optimize the load distribution and maximize the service life of roll bearings.
Roll profile
The roll profile determines the stress distribution in the roller / raceway contact area. The special shape distributes the load more evenly along the roller and prevents the stress peak at both ends of the roller to prolong the service life of the bearing.

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