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.
extra light duty series features provided, rigid alignment type, straight bore shape, 0.7870 inches minimum and 0.7874 inches maximum bore diameter, 0.0005 inches minimum radial and 0.0011 inches maximum radial internal clearance