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.
0.0002 inches minimum radial and 0.0005 inches maximum radial internal clearance, 0.3540 inches minimum and 0.3640 inches maximum flange outside diameter, 0.1873 inches minimum and 0.1875 inches maximum bore diameter, 0.0220 inches minimum and 0.0230 inches maximum flange width, straight bore shape