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.
dimensions rae 20x52x22 mm special features, 0.8750 inches nominal overall width, 0.7874 inches nominal bore diameter, los angles class ssn (688) end item identification, 2.0472 inches nominal overall outside diameter