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.
radial load direction, 0.6248 inches minimum and 0.6250 inches maximum bore diameter, 0.0001 inches minimum radial and 0.0004 inches maximum radial internal clearance, 0.8746 inches minimum and 0.8750 inches maximum overall outside diameter, straight bore shape