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.
e-3a awacs aircraft end item identification, t.o. 15a2-2-173-3,figure 8-1,index 21. part of the motor operated shutoff valve. special features, bearing,lower part name assigned by controlling agency, straight bore shape