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.
1.2500 inches minimum and 1.2508 inches maximum bore diameter, straight bore shape, 1.8300 inches minimum and 1.8350 inches maximum inner ring width, angular load direction, standard internal fit-up designation