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.
1.8500 inches minimum and 1.8504 inches maximum overall outside diameter, 1.1809 inches minimum and 1.1811 inches maximum bore diameter, 0.0003 inches minimum radial and 0.0008 inches maximum radial internal clearance, straight bore shape, radial load direction