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.
1.5748 inches minimum bore diameter, 3.1493 inches minimum and 3.1496 inches maximum overall outside diameter, 0.7037 inches minimum and 0.7087 inches maximum overall width, straight bore shape, radial load direction