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.
Outside Diameter 0.7478 inches to 0.748 inches; Bore Diameter 0.236 inches to 0.2362 inches