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.
straight bore shape, contact bearing seal type, 4.9998 inches minimum and 5.0006 inches maximum bore diameter, 0.0014 inches minimum radial and 0.0024 inches maximum radial internal clearance, outward convergent internal fit-up contact angular direction