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.
angular load direction, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, straight bore shape, 0.8700 inches minimum and 0.8750 inches maximum inner ring width, 0.7450 inches minimum and 0.7500 inches maximum outer ring width