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 5965-00-318-6479
NSN 5965-00-023-0944
NSN 6110-01-480-0713
NSN 6145-01-004-5090
NSN 6620-01-345-4835
NSN 6110-01-462-1698
NSN 5960-01-390-5961
NSN 5935-01-147-1673
NSN 5930-00-856-6402
NSN 6150-00-255-7707
NSN 6110-01-477-1175
NSN 5985-00-155-5991