ISO 6045:1987, Shipbuilding and marine structures – Bearings for derrick goosenecks. – Assemblies and components. and. ISO 14204:1998, Aerospace – Airframe ball bearings, double-row, rigid, diameter. series 0 – Metric series.
ISO 6045:1987 refers to an International Standard set by the International Organization for Standardization (ISO) that specifies the types, dimensions, and materials of components for "derrick boom gooseneck bearings" used in shipbuilding and marine structures, essentially defining the standards for bearings on a ship's derrick crane used for cargo handling operations; "1987" indicates the year this standard was published.
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