# ISO 6278:1980 — Withdrawn and superseded ISO standards For ISO 6278:1980, item title is Needle roller bearings — Track rollers — Boundary dimensions; status code is 9599; successor is ISO 7063:2003; withdrawn / published date is 1980-03-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 6278:1980 _(verified: appears in the quote below)_ - **Item title:** Needle roller bearings — Track rollers — Boundary dimensions _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 7063:2003 - **Withdrawn / published date:** 1980-03-01 _(verified: appears in the quote below)_ ## What the source says > 12560,IS,,ISO 6278:1980,Needle roller bearings — Track rollers — Boundary dimensions,Roulements à aiguilles — Galets de came — Dimensions d'encombrement,1980-03-01,1,['21.100.20'],ISO/TC 4/SC 5,9599,,[30240],"['en','fr']",4,"
Specifies the corresponding symbols. Figures show light and heavy series of track roller yoke type and stud type, respectively.
" ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).