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.
1.9996 inches minimum and 2.0000 inches maximum overall outside diameter, radial load direction, 0.9998 inches minimum and 1.0000 inches maximum bore diameter, straight bore shape, 0.0005 inches minimum radial and 0.0011 inches maximum radial internal clearance