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 6610-01-220-5262
NSN 5855-01-385-8846
NSN 6150-01-346-1299
NSN 5996-00-072-9944
NSN 5999-01-182-4929
NSN 6645-00-296-8310
NSN 5935-00-772-4994
NSN 6135-01-579-3534
NSN 6650-01-418-0790
NSN 5835-01-241-1090
NSN 5935-01-335-6088
NSN 5835-00-998-5757