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, 0.0210 inches minimum and 0.0230 inches maximum flange width, straight bore shape, 0.5420 inches minimum and 0.5520 inches maximum flange outside diameter, 0.1561 inches minimum and 0.1562 inches maximum inner ring width