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 5998-00-999-9868
NSN 6620-01-431-0706
NSN 6685-00-618-6613
NSN 5930-00-375-6190
NSN 6145-00-125-7799
NSN 6130-00-187-0211
NSN 6650-01-644-2104
NSN 6110-00-846-0977
NSN 5990-01-249-2060
NSN 6620-01-449-8743
NSN 6620-01-601-4314
NSN 6685-00-707-4842