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.
0.3937 inches nominal bore diameter, straight bore shape, radial load direction, 0.0002 inches minimum radial and 0.0004 inches maximum radial internal clearance, mobil 28 mfr ref single material response lubrication material document and classification