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 6105-00-470-4764
NSN 6610-01-592-7568
NSN 5930-00-954-6672
NSN 5905-00-709-8050
NSN 5960-00-697-3623
NSN 4140-01-180-5576
NSN 5895-01-278-6761
NSN 5950-00-762-9397
NSN 5975-01-465-9752
NSN 5985-01-366-2913
NSN 6145-01-432-1767
NSN 5945-00-915-5544