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 6650-01-652-9980
NSN 5905-01-642-8347
NSN 5930-01-439-9710
NSN 6220-01-183-5378
NSN 5835-01-432-8801
NSN 5950-01-322-7376
NSN 6610-00-950-7105
NSN 5950-00-518-2162
NSN 5960-00-170-6916
NSN 5999-01-649-1451
NSN 5975-01-026-4995
NSN 5999-00-522-1252