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.
0.7475 inches minimum and 0.7480 inches maximum overall outside diameter, 0.2359 inches minimum and 0.2369 inches maximum bore diameter, radial load direction, 0.0060 inches maximum radial internal clearance, straight bore shape