Aligning Ball Bearings are self-retaining radial ball bearings with a common hollow spherical outer ring that provides space for two rows of balls. They allow the compensation of angular errors between the inner and outer ring. These bearings have an inner ring with two raceways for the rolling elements. Aligning ball bearings are used in a wide variety of applications, including mechanical engineering, automotive, mining and construction equipment and heavy industry.

There are basic designs of aligning ball bearings with a cylindrical bore.
Alternatively, bearings with a 1:12 conical bore are also available.

Some aligning ball bearings are equipped with contacting seals on both sides.
These integral seals provide a space-saving, economical and reliable sealing solution.

Aligning ball bearings with a wide inner ring have a cylindrical bore and a groove on one side of the inner ring. This design is particularly suitable for simple bearing arrangements with standard shafts. The tolerance of the bearing bore allows easy mounting and dismounting. The groove is used to locate the bearing axially with the aid of a stud bolt. This ensures secure and stable positioning of the bearing.
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