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.
0.0005 inches minimum radial and 0.0010 inches maximum radial internal clearance, 55.00 millimeters nominal bore diameter, straight bore shape, as modified by afbma standard to lerance designation departure from cited designator, contact bearing seal type