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, 10.00 millimeters nominal bore diameter, 0.0004 inches minimum radial and 0.0010 inches maximum radial internal clearance, straight bore shape, as modified by internal clearance and lubrication material departure from cited designator