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.
2.7555 inches minimum and 2.7559 inches maximum bore diameter, angular load direction, ln service truck end item identification, 3.9366 inches minimum and 3.9370 inches maximum overall outside diameter, straight bore shape