ISB four point contact ball bearings are single row angular contact ball bearings with raceways designed to accommodate axial loads from both directions. Two different series are available, QJ2 and QJ3, in two different versions: standard and with locating slots.

ISB four point contact ball bearings occupy much less axial space than ISB double row angular contact ball bearings.

ISB four point contact ball bearings are manufactured according to the normal tolerance class. In line with P6 tolerance class specifications, some sizes are available with higher precision levels.


ISB four point contact 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.

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