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 6685-00-453-0178
NSN 6135-01-218-3660
NSN 5925-01-461-9248
NSN 6130-00-925-1184
NSN 6610-01-196-6388
NSN 5855-01-283-3730
NSN 5998-00-194-2942
NSN 5996-01-145-4900
NSN 5855-01-222-1242
NSN 5930-01-570-4101
NSN 5935-00-600-0303
NSN 5855-01-618-5289