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 5985-00-911-7556
NSN 5910-01-541-5046
NSN 5930-01-569-6294
NSN 5950-01-326-4301
NSN 5985-01-265-7024
NSN 6110-01-519-3127
NSN 5998-01-160-9052
NSN 5855-01-217-4172
NSN 6105-01-065-2439
NSN 6645-00-092-5091
NSN 2925-01-259-7092
NSN 6610-01-109-1147