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 5935-01-560-2002
NSN 6685-01-268-8218
NSN 5855-00-973-5717
NSN 5960-00-106-7247
NSN 5905-00-804-5160
NSN 6320-00-393-0138
NSN 6145-01-634-0388
NSN 5996-00-804-2698
NSN 6105-01-194-6608
NSN 5996-01-245-6121
NSN 5985-00-222-6066
NSN 5999-01-645-8886