UNI 4216-1963 Rolling bearings; radial bearings; steel bearings; single ring cylindrical roller bearings; outer ring sealed bearings. 22* size series, replacing UNI 623
1963UNI 4216-1963 Rolling bearings; radial bearings; steel bearings; single ring cylindrical roller bearings; outer ring sealed bearings. 22* size series, replacing UNI 623