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.
straight bore shape, mounting groove features provided, radial load direction, 3.1491 inches minimum and 3.1496 inches maximum overall outside diameter, 1.3775 inches minimum and 1.3780 inches maximum bore diameter