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.
0.1386 inches minimum and 0.1406 inches maximum inner ring width, radial load direction, 0.1248 inches minimum and 0.1250 inches maximum bore diameter, 0.0002 inches minimum radial and 0.0005 inches maximum radial internal clearance, straight bore shape