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 5945-01-554-9763
NSN 6650-01-333-5975
NSN 6685-01-347-3574
NSN 5996-00-450-0067
NSN 6645-00-235-4685
NSN 6610-00-719-6882
NSN 6685-01-339-1902
NSN 5960-01-063-6846
NSN 5935-01-594-8642
NSN 5910-00-391-6304
NSN 5930-01-131-8010
NSN 6645-01-382-4940