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 5920-01-026-2559
NSN 4140-00-643-3744
NSN 5930-00-184-8329
NSN 5895-01-514-4432
NSN 4140-00-914-7666
NSN 6110-01-029-3403
NSN 5835-00-170-5238
NSN 5996-01-420-6231
NSN 6685-01-212-9607
NSN 6685-01-128-5278
NSN 5945-01-398-8294
NSN 5950-00-817-4495