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 5895-01-302-7989
NSN 4140-01-108-0988
NSN 5895-01-031-1296
NSN 5910-01-269-7833
NSN 5998-01-293-8760
NSN 6130-00-250-4362
NSN 2925-01-254-3068
NSN 5965-00-575-4089
NSN 5945-00-904-9546
NSN 5960-01-014-1595
NSN 4140-00-876-2459
NSN 6110-01-069-1908