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.
0.0400 inches nominal bore diameter, 0.0780 inches nominal inner ring width, 0.0002 millimeters minimum radial and 0.0008 millimeters maximum radial internal clearance, radial load direction, straight bore shape