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.
0.2498 inches minimum and 0.2500 inches maximum bore diameter, straight bore shape, 0.4200 inches minimum and 0.4220 inches maximum flange outside diameter, 0.0340 inches minimum and 0.0360 inches maximum flange width, 0.0002 inches minimum radial and 0.0004 inches maximum radial internal clearance