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-81937 mil spec single material response lubrication material document and classification, grease lubrication material, 40.0 pounds nominal bearing preload rating, 1.3123 inches minimum and 1.3125 inches maximum bore diameter, 1.7498 inches minimum and 1.7500 inches maximum overall outside diameter