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.
0.0450 inches nominal flange width, straight bore shape, 0.2499 inches minimum and 0.2500 inches maximum bore diameter, 0.5470 inches nominal flange outside diameter, 0.0002 inches minimum radial and 0.0005 inches maximum radial internal clearance