Oil hole and 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
NSN 5895-01-435-8660
NSN 5910-00-427-5664
NSN 5999-01-310-7900
NSN 6320-01-573-6490
NSN 5985-00-618-7598
NSN 6105-01-550-0577
NSN 4140-01-021-3639
NSN 6130-00-826-1609
NSN 5960-00-968-7582
NSN 5925-01-585-8953
NSN 4140-01-399-0330