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 5965-01-302-1529
NSN 6320-00-116-3658
NSN 6110-01-420-8996
NSN 5925-01-206-3488
NSN 5998-00-079-3553
NSN 5985-00-581-6246
NSN 5835-01-258-5597
NSN 6145-01-090-1086
NSN 5945-01-574-4933
NSN 5920-00-168-9138
NSN 6620-00-188-4201
NSN 5855-00-451-6155