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 5895-01-014-5458
NSN 5975-01-511-8412
NSN 5930-01-372-4570
NSN 5975-01-014-4648
NSN 5996-01-082-5854
NSN 5835-01-065-8481
NSN 5999-01-486-1611
NSN 5945-00-986-3029
NSN 5855-01-291-6790
NSN 6105-01-477-0851
NSN 5990-01-200-7460
NSN 6105-01-013-9252