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 Air Force 
Dept. of the Navy 
Turkey Classification: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi
NSN 6130-01-067-7205
NSN 6685-01-572-7241
NSN 5999-01-451-7892
NSN
NSN 6135-00-194-9354
NSN 5915-01-048-3671
NSN 5990-01-263-0362
NSN 5965-01-213-7256
NSN 5965-01-142-7862
NSN 6650-01-470-1315
NSN 5895-01-004-0523
NSN 6685-01-154-3105