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 6610-01-317-4859
NSN 6320-01-397-9995
NSN 6135-01-260-1100
NSN 6240-01-474-6914
NSN 5910-01-359-9581
NSN 6610-00-626-8523
NSN 6320-01-274-2501
NSN 6130-01-483-1779
NSN 5990-00-118-8953
NSN 6150-01-214-8378
NSN 6145-00-548-7195
NSN 6150-01-320-6596