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.
straight bore shape, radial load direction, 0.2498 inches minimum and 0.2500 inches maximum bore diameter, 0.6248 inches minimum and 0.6250 inches maximum overall outside diameter, 0.0003 inches minimum radial and 0.0006 inches maximum radial internal clearance