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.
steel overall material, 2.0472 inches nominal overall outside diameter, 0.8750 inches nominal overall width, 0.5906 inches nominal outer ring width, 1.8437 inches nominal inner ring width