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 5920-01-337-0227
NSN 6320-01-253-9585
NSN 5915-00-501-4551
NSN 5920-01-268-0720
NSN 6110-00-332-7714
NSN 5895-00-241-6169
NSN 6240-00-226-0462
NSN 5990-00-400-4794
NSN 5975-01-198-1819
NSN 6645-01-100-3296
NSN 5935-01-492-5404
NSN 5996-01-200-7282