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 5975-01-564-9182
NSN 5855-01-413-5252
NSN 5960-01-430-3911
NSN 2925-01-156-9570
NSN 6145-01-311-8785
NSN 6150-01-146-9014
NSN 6610-01-202-1373
NSN 5925-00-081-9135
NSN 5998-01-364-0960
NSN 5915-01-029-6469
NSN 5960-01-497-1780
NSN 6145-00-005-6294