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.
0.5115 inches minimum and 0.5118 inches maximum bore diameter, 0.6560 inches nominal overall width, non-loading groove, non-separable style designator, 1.2593 inches minimum and 1.2599 inches maximum overall outside diameter