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.
0.1248 inches minimum and 0.1250 inches maximum bore diameter, 2.5 pounds nominal bearing preload rating, 0.1552 inches minimum and 0.1562 inches maximum inner ring width, straight bore shape, 26.0 degrees minimum and 28.0 degrees maximum contact angle