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.
radial load direction, 1.9680 inches minimum and 1.9682 inches maximum bore diameter, 0.0012 inches minimum radial and 0.0020 inches maximum radial internal clearance, straight bore shape, 712645f constant speed drive end item identification