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 6145-01-457-7685
NSN 5990-00-719-4947
NSN 5975-00-520-1217
NSN 2925-00-617-0826
NSN 6110-01-252-5439
NSN 5975-01-168-7643
NSN 5999-01-494-7953
NSN 5960-01-462-6267
NSN 5950-01-284-0506
NSN 6220-01-158-6556
NSN 6685-01-401-5360
NSN 5999-01-319-5345