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.
0.0210 inches minimum and 0.0230 inches maximum flange width, c calibration designator, straight bore shape, 0.0779 inches minimum and 0.0781 inches maximum bore diameter, 0.2910 inches minimum and 0.3010 inches maximum flange outside diameter