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.
0.0016 inches minimum radial and 0.0026 inches maximum radial internal clearance, straight bore shape, radial load direction, 3.9992 inches minimum and 4.0000 inches maximum bore diameter, 4.9992 inches minimum and 5.0000 inches maximum overall outside diameter