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Dimensional tolerances

The tolerances concerning the dimensions of a bearing and the circularity of its rotation are part of international norms, such as DIN 620 and ISO 492 for bearings with metric dimensions.

JESA bearings are manufactured according the following tolerance norms DIN P0, P6, P5 and P4, respectively AFBMA ABEC 1, ABEC 3, ABEC 5 and ABEC 7. For other types of functions of our special bearings, we adapt the tolerances to the requirements of the application.

The particular tolerances valid for inner and outer deep groove ball bearing rings are indicated in the following charts :

inner ring

outer ring

*** The width tolerances ΔCs are identical to ΔBs for corresponding inner ring

explication table



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