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 5950-01-133-9577
NSN 5935-01-350-8941
NSN 2925-01-415-2140
NSN 5935-01-103-8046
NSN 6650-00-147-8765
NSN 5895-00-321-0273
NSN 5985-01-168-5295
NSN 5950-01-487-6883
NSN 7035-01-420-3238
NSN 6220-01-590-1088
NSN 5920-01-519-2712
NSN 5998-00-987-3605