The main feature of ISB alignment needle roller bearings is the self-aligning outer ring, thanks to a series of plastic support rings inserted between it and the drawn cup.

The structure of ISB alignment needle roller bearings allows any eventual shaft deflection to be absorbed, up to a maximum of 2°/3°.

ISB alignment needle roller bearings must be assembled with interference in the housing bore. Furthermore, alignment is guaranteed by the coupling of the drawn cup and the outer ring.


NBS alignment needle roller bearings are commonly used in the following applications:
* cranes and lifting equipment;
* gear reducers;
* pumps;
* marble working machinery;
* etc.

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