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.
etch v and no 7 on od of outer ring, 100 pct. magnaflux inspection per mil-i-6868, copper plate bore special features