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, 0.5420 inches minimum and 0.5470 inches maximum flange outside diameter, 0.2498 inches minimum and 0.2500 inches maximum bore diameter, 0.0210 inches minimum and 0.0230 inches maximum flange width, 0.0002 inches minimum radial and 0.0005 inches maximum radial internal clearance