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.
2.9528 inches nominal bore diameter, straight bore shape, 1.1543 inches nominal inner ring width, 25.0 degrees minimum contact angle, 0.0051 inches minimum radial and 0.0071 inches maximum radial internal clearance