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 5998-01-210-2502
NSN 7035-00-620-6835
NSN 5930-01-453-9254
NSN 5945-01-426-4665
NSN 5915-00-518-6936
NSN 5925-00-018-3225
NSN 6130-01-281-1700
NSN 5910-01-302-6993
NSN 5910-00-270-5415
NSN 6620-01-462-0001
NSN 6610-00-820-4743
NSN 5990-01-316-0989