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.
1.3950 inches minimum and 1.4050 inches maximum inner ring width, straight bore shape, radial load direction, 2.9525 inches minimum and 2.9528 inches maximum bore diameter, standard internal fit-up designation