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.
0.3748 inches minimum and 0.3750 inches maximum bore diameter, 0.0004 inches minimum radial and 0.0008 inches maximum radial internal clearance, 0.9680 inches minimum and 0.9690 inches maximum flange outside diameter, 0.0600 inches minimum and 0.0620 inches maximum flange width, straight bore shape