Per b-1 engineering
A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.
Classification: Spherical roller bearings, single row
NSN 6320-00-701-0437
NSN 5895-01-587-6599
NSN 7035-00-238-3662
NSN 6240-00-503-6632
NSN 5925-01-398-5507
NSN 5998-01-252-9491
NSN 6240-01-442-7746
NSN 6145-01-549-2089
NSN 5985-01-524-0525
NSN 6650-01-053-8726
NSN 5895-01-417-1880
NSN 5985-00-125-4630