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.
mil-g-81322 mil spec single material response lubrication material document and classification, bearings for aerospace motors part name assigned by controlling agency, grease lubrication material, 2 shield quantity, landing craft air cushion (lcac); fans end item identification