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 5905-01-449-2477
NSN 6145-01-385-0079
NSN 5910-01-120-1317
NSN 5910-00-522-1572
NSN 6145-01-538-2052
NSN 5990-00-125-5036
NSN 6240-00-172-8451
NSN 2925-00-536-4574
NSN 6110-01-547-3733
NSN 6105-00-186-0161
NSN 4140-00-471-5396
NSN 6150-01-407-3186