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.
contact bearing seal type, 0.6691 inches minimum and 0.6693 inches maximum bore diameter, straight bore shape, rigid alignment type, 0.0009 inches minimum radial and 0.0014 inches maximum radial internal clearance