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 2925-01-633-4048
NSN 5835-01-578-3443
NSN 5930-01-634-0659
NSN 6220-01-155-5994
NSN 5950-00-916-9051
NSN 5930-00-504-8309
NSN 5996-00-020-0275
NSN 6110-01-299-8702
NSN 5910-01-387-5987
NSN 2925-01-118-6125
NSN 6150-00-490-2514
NSN 5925-01-479-2632