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.
1.3122 inches minimum and 1.3128 inches maximum bore diameter, 18.0 degrees nominal contact angle, straight bore shape, 0.0003 inches minimum radial and 0.0010 inches maximum radial internal clearance, 0.2760 inches minimum and 0.2810 inches maximum inner ring width