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.
lips turned inwardly bearing seal type, 0.1248 inches minimum and 0.1250 inches maximum bore diameter, straight bore shape, 0.0004 inches minimum radial and 0.0009 inches maximum radial internal clearance, radial load direction