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.
4.0700 inches nominal overall outside diameter, grease lubrication material, straight bore shape, 2.5000 inches nominal bore diameter, sb2553,fscm 93508 mfr ref single material response lubrication material document and classification