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.
radial load direction, 1.8502 inches minimum and 1.8504 inches maximum overall outside diameter, 0.7872 inches minimum and 0.7874 inches maximum bore diameter, 0.0009 inches minimum radial and 0.0013 inches maximum radial internal clearance, straight bore shape