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 6240-00-443-8000
NSN 5960-01-014-3876
NSN 6130-00-409-9073
NSN 5960-01-579-1661
NSN 6135-00-993-6823
NSN 5935-00-994-0823
NSN 6685-01-422-6170
NSN 5999-00-496-6069
NSN 4140-00-128-8072
NSN 5960-01-149-1261
NSN 6685-00-293-6620
NSN 6220-00-971-3342