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.
contact bearing seal type, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, 0.6250 inches nominal groove radius, 0.9014 inches nominal groove diameter, 0.9325 inches minimum and 0.9375 inches maximum inner ring width