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 6145-01-108-2617
NSN 5975-00-407-6554
NSN 5930-01-342-6244
NSN 5950-01-079-0393
NSN 5998-00-395-0804
NSN 6645-01-388-0391
NSN 6105-01-341-2808
NSN 6320-01-578-6006
NSN 5998-01-032-1619
NSN 6130-01-457-6679
NSN 5999-00-843-8022
NSN 5960-01-063-2009