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.
standard internal fit-up designation, 30.0 degrees nominal contact angle, straight bore shape, 5.9996 inches minimum and 6.0000 inches maximum bore diameter, outward convergent internal fit-up contact angular direction