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.
0.0937 inches nominal overall width, steel corrosion resisting overall material, o.1250 inch bore;crown-type stainless steel retainer;radial play of 0.0002 to 0.0005 supplementary features