A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.
zzzw criticality code justification, grease lubrication material, contact bearing seal type, dod-g-24508 fed std single material response lubrication material document and classification, annual ball bearing for quiet operation application to submarine usage departure from cited document