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 
Brazil 
Turkey Classification: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi
NSN 6135-01-384-7155
NSN 5835-00-233-6327
NSN 6320-01-393-7022
NSN 6240-01-084-8637
NSN 6610-00-102-5410
NSN 5996-00-185-1372
NSN 6150-00-726-6885
NSN 5975-01-646-5187
NSN 7035-00-079-7189
NSN 6145-00-975-2039
NSN 4140-01-192-3570
NSN 6650-00-966-5205