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.
25.0 degrees maximum contact angle, 0.5904 inches minimum and 0.5906 inches maximum bore diameter, angular load direction, mil-l-7808 mil spec single material response lubrication material document and classification, straight bore shape