90.93 Standard confirmed Jan 2, 2024
ISO
ISO/TC 4/SC 5 Needle, cylindrical and spherical roller bearings
International Standard
21.100.20 Rolling bearings
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.
PUBLISHED
ISO 12297-2:2018
90.93
Standard confirmed
Jan 2, 2024