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.
four point contact bearing part name assigned by controlling agency, singe row angular contact ball bearing; comprise solid outer rings, split inner rings, ball and cage assy; 2 reatining slots in outer ring; solid brass cage; window cages are guided on the outer ring; tem range is -30 to +150 degrees c; not greased but can be lubricated with grease or oil; bearings are not sealed special features