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.
17.6245 inches minimum and 17.6250 inches maximum overall outside diameter, radial load direction, straight bore shape, 16.8745 inches minimum and 16.8750 inches maximum bore diameter, 0.0012 inches minimum radial and 0.0017 inches maximum radial internal clearance