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 6685-01-525-7586
NSN 5925-00-779-7307
NSN 6320-01-422-1212
NSN 6105-01-100-7431
NSN 6240-00-065-3703
NSN 6610-01-010-3159
NSN 6130-00-553-6199
NSN 5998-00-174-2787
NSN 5930-01-607-7898
NSN 6685-01-147-8611
NSN 5950-00-945-1045
NSN 4140-00-785-1962