Oil hole and oil groove in outer ring also mfr standard retainer
A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.
Classification: Needle roller bearings
NSN 5930-00-721-0421
NSN 6220-01-374-9664
NSN 5996-00-760-7012
NSN 4140-01-174-4390
NSN 5990-01-187-8594
NSN 6150-01-502-9532
NSN 6145-00-781-5242
NSN 5990-01-227-0660
NSN 2925-01-422-1542
NSN 5945-01-511-8078
NSN 6320-01-399-6177
NSN 7035-01-652-8959