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.
straight bore shape, 0.0001 inches minimum radial and 0.0004 inches maximum radial internal clearance, 12.00 millimeters nominal bore diameter, as modified by internal clearance departure from cited designator, radial load direction