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 6130-00-253-1304
NSN 7035-01-605-3375
NSN 5945-01-333-9386
NSN 6685-01-203-4381
NSN 4140-01-413-2162
NSN 6645-01-518-7287
NSN 5925-01-471-7086
NSN 5925-00-647-3469
NSN 5855-00-185-1560
NSN 5998-01-513-4496
NSN 6645-00-898-4316
NSN 6610-00-958-0294