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.
2.2494 inches minimum and 2.2500 inches maximum overall outside diameter, 1.8122 inches minimum and 1.8125 inches maximum bore diameter, radial load direction, straight bore shape, 0.0005 inches minimum radial and 0.0015 inches maximum radial internal clearance