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.
0.24985 inches minimum and 0.25000 inches maximum bore diameter, 0.4210 inches minimum and 0.4220 inches maximum flange outside diameter, 0.1552 inches minimum and 0.1562 inches maximum inner ring width, straight bore shape, 0.0220 inches minimum and 0.0230 inches maximum flange width