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 6320-00-313-9114
NSN 5855-01-450-1080
NSN 5965-01-620-9414
NSN 6145-00-117-8861
NSN 6685-01-180-0261
NSN 5990-00-153-0055
NSN 6620-01-605-1465
NSN 4140-01-444-6766
NSN 5935-01-011-0008
NSN 5950-01-476-6160
NSN 4140-01-102-2244
NSN 6105-01-188-7292