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-l-15719 mil spec single material response lubrication material document and classification, 0.6855 inches minimum and 0.6875 inches maximum inner ring width, 2.4997 inches minimum and 2.5002 inches maximum bore diameter, straight bore shape, grease lubrication material