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 6110-01-563-8709
NSN 5915-00-636-9785
NSN 6320-01-215-2284
NSN 6145-01-318-9159
NSN 5945-00-572-2442
NSN 6145-01-048-2750
NSN 2925-00-373-8837
NSN 5935-01-434-7873
NSN 5945-01-599-1487
NSN 6610-01-461-3850
NSN 6645-00-847-3727
NSN 5996-01-375-7560