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 6135-01-252-0315
NSN 5910-00-078-5762
NSN 6620-01-457-9476
NSN 6105-00-533-3142
NSN 6685-01-651-7109
NSN 5895-00-578-5477
NSN 5835-00-346-4735
NSN 5945-00-100-1261
NSN 5895-00-149-1110
NSN 5855-01-430-3246
NSN 6685-01-010-1756
NSN 5915-01-440-9856