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.
"23-725 8" grinder" end item identification, bearing ball w/seals; 2.047 od x 0.975 id x 0.589 thick special features, steel overall material