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.
0.6 millimeters nominal axial internal clearance, oil or grease lubrication material, 12.7 millimeters nominal overall width, 32.0 millimeters nominal overall outside diameter, 13.0 millimeters nominal bore diameter