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.
0.2495 inches minimum and 0.2500 inches maximum overall outside diameter, steel comp 440c overall material, straight bore shape, engine,acft t-58 end item identification