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 5905-01-629-4846
NSN 5950-00-806-8738
NSN 5990-01-216-1276
NSN 6130-01-351-5436
NSN 5945-01-177-1279
NSN 5999-01-223-9462
NSN 5905-00-118-2625
NSN 4140-00-274-9638
NSN 6130-01-386-6316
NSN 7035-01-361-8821
NSN 5975-01-481-5666
NSN 5855-01-145-4903