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 5915-01-225-9949
NSN 5965-01-138-4979
NSN 5965-01-411-6801
NSN 6135-01-351-1131
NSN 4140-01-084-7596
NSN 6240-00-983-4583
NSN 5975-01-185-6994
NSN 4140-00-875-1608
NSN 6610-00-105-9663
NSN 5925-01-073-7034
NSN 5996-01-503-5642
NSN 5855-01-079-8716