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.
straight bore shape, 0.0008 inches minimum radial and 0.0011 inches maximum radial internal clearance, 25.0 degrees minimum contact angle, angular load direction, 0.4722 inches minimum and 0.4724 inches maximum bore diameter