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 6145-01-526-1651
NSN 6645-01-243-0468
NSN 6150-01-052-2925
NSN 6105-00-127-2702
NSN 6610-00-518-4919
NSN 5990-01-591-0701
NSN 5925-00-797-9701
NSN 6645-01-141-7016
NSN 4140-00-223-5197
NSN 5855-01-268-6468
NSN 5975-00-889-0496
NSN 5910-01-534-3722