NF ISO 12297-2

Rolling bearings - Cylindrical rollers - Part 2 : boundary dimensions, geometrical product specifications (GPS) and tolerance values for ceramic rollers

ISO 12297-2:2018 specifies dimensional and geometrical characteristics, nominal boundary dimensions and tolerance values for finished silicon nitride cylindrical rollers for rolling bearings.

Annexes A and B give the sorting principles for roller diameter and roller length tolerances and gauges, respectively.

Annex C gives examples of imperfection types and methods of inspection.

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