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.
1.8700 inches minimum and 1.8750 inches maximum overall width, 1.7000 inches nominal bore diameter, 2.1245 inches minimum and 2.1250 inches maximum overall outside diameter, bearing end item identification, 30.00 degrees nominal contact angle