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.
0.0781 inches nominal overall width, 0.0550 inch bore;crown-type stainless steel retainer;radial play 0.0002to 0.0008 inches supplementary features, steel corrosion resisting overall material