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 6220-01-352-5425
NSN 6110-00-233-6626
NSN 5990-00-506-8315
NSN 5835-01-163-4215
NSN 5930-01-389-8361
NSN 2925-01-519-6726
NSN 6130-01-542-4859
NSN 5855-01-252-5424
NSN 6650-00-926-7709
NSN 6240-00-435-0433
NSN
NSN 2925-00-247-6248