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, straight bore shape, 2.9525 inches minimum and 2.9528 inches maximum bore diameter, 4.1336 inches minimum and 4.1339 inches maximum overall outside diameter, 0.6299 inches nominal overall width