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.
1.5625 inches nominal bore diameter, 0.0002 inches minimum radial and 0.0005 inches maximum radial internal clearance, straight bore shape, contact bearing seal type, 0.2812 inches nominal inner ring width