Deep Groove Ball BearingDeep groove ball bearings are the most common used today. These bearings can support axial loads in both directions as well as radial loads, even at high speeds. They are offered in open and sealed designs. The sealed bearings are pre-lubricated. These bearings are not designed for applications where misalignment can occur.
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Spherical Roller BearingThese bearings have two rows of spherical rollers set inside a spherical outer raceway. The design allows for normal operation even in cases where the shaft is misaligned or shaft flexing can occur. These bearings can support axial forces in both directions and high radial forces.
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Self Aligning Ball BearingThese bearings have a spherical outer raceway and two rows of ball bearings mounted in a spherical ring. The design allows for misalignment or flexing in the shaft similar to the spherical roller bearing. The difference being that these bearings are designed specifically to support radial loads and cannot support heavy axial loads.
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needle bearingThese bearings are similar to cylindrical roller bearing. The difference in these bearings is the ratio of the diameter of the rollers to the length of the rollers and typically do not have an inner race. The shaft itself acts as the inner race. The design allows for a much more compact bearing that can support heavy radial loads.
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