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 6150-01-396-0938
NSN 5996-01-095-5345
NSN 5945-00-182-7384
NSN 6620-00-618-9311
NSN 5915-01-056-5141
NSN 5925-01-276-0456
NSN 6620-00-172-6127
NSN 4140-01-361-8175
NSN 5895-01-558-1075
NSN 4140-00-971-6400
NSN 6150-01-026-1630
NSN 6645-01-542-6159