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.
radial load direction, 0.1875 inches nominal bore diameter, straight bore shape, as modified by internal clearance departure from cited designator, 0.0003 inches minimum radial and 0.0006 inches maximum radial internal clearance