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 6645-01-484-6498
NSN 2925-00-080-2124
NSN 5895-00-292-2872
NSN 7035-01-218-4233
NSN 5945-01-327-2697
NSN 6145-01-353-9645
NSN 6145-01-461-9282
NSN 5999-01-363-2316
NSN 6130-00-964-9083
NSN 5895-00-111-1560
NSN 5835-00-106-2120
NSN 6105-01-188-6659