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ISB spherical ball bearings are comprised of two rows of ball bearings and one spherical raceway on the outer ring. This type of design means that the ball bearing is self-aligning without experiencing any misalignment problems. These types of bearings are supplied in three versions: basic design open bearings, bearings with incorporated seal, open bearings with wider inner ring.
ISB spherical ball bearings are designed for use in applications where there is the
possibility for alignment errors, or in cases where there could be significant shaft deflection.
Special technical features
ISB spherical ball bearings are particularly suitable for use in high-speed applications, given that from the vast selection of rolling bearings, these are the ones with the lowest friction.

ISB spherical ball bearings are used in various applications, for example:
* agricultural machinery;
* earth moving machinery;
* pumps;
* industrial machinery for cleaning and bottling;
* electric motors;
* fitness machines;
* machining equipment (steel, glass, marble, wood,);
* automatic opening systems;
* etc.

12, 13, 22, 33, 22 2RS, 23 2RS, 12K, 13K, 22K, 23K, 22K 2RS, 112, 113