A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. it must have a visible or detectable means of lubrication or be self-lubricated. the over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. see also bushing, sleeve; spacer, sleeve; and washer (as modified). excludes pin, hollow.
Dept. of the Navy 
Spain Classification: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi
NSN 6620-01-141-4339
NSN 5855-01-659-8769
NSN 7035-01-202-8699
NSN 5835-01-463-2334
NSN 5965-00-622-7025
NSN 5910-00-931-1985
NSN 5975-01-268-1529
NSN 5920-00-975-5011
NSN 6145-00-058-8564
NSN 7035-00-513-9764
NSN 5835-00-491-3834
NSN 6610-01-352-2976