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 5930-00-004-2123
NSN 6220-01-507-6140
NSN 5999-01-196-1056
NSN 5920-00-468-3074
NSN 6150-01-208-2238
NSN 6645-00-960-6594
NSN 6650-01-435-2994
NSN 5950-01-596-6582
NSN 6135-01-359-4293
NSN 6645-00-634-9317
NSN 6135-01-054-2462
NSN 5935-00-285-2767