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 6145-01-288-1588
NSN 5925-00-142-0752
NSN 5920-01-507-2780
NSN 5835-00-987-9341
NSN 6620-01-231-9731
NSN 6105-01-184-5602
NSN 5855-01-608-9075
NSN 5910-01-298-6484
NSN 5960-00-996-0681
NSN 5935-01-069-2761
NSN 5985-00-007-8759
NSN 4140-00-155-8012