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.
rigid alignment type, 0.0005 inches minimum radial and 0.0010 inches maximum radial internal clearance, straight bore shape, lips turned inwardly bearing seal type, 0.4375 inches minimum and 0.4425 inches maximum bore diameter