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 5998-01-579-9881
NSN 5855-01-657-7657
NSN 6110-01-346-0671
NSN 5990-01-529-7307
NSN 7035-01-361-8821
NSN 5975-01-568-0516
NSN 5895-01-605-1581
NSN 5855-01-361-9787
NSN 5835-01-111-9838
NSN 6110-00-280-2753
NSN 5985-01-431-8111
NSN 5975-01-645-9285