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 5999-00-063-5786
NSN 5985-01-131-7495
NSN 5855-01-634-0259
NSN 6620-01-222-5555
NSN 6620-01-311-3516
NSN 6220-00-851-2307
NSN 5985-01-541-2006
NSN 6610-00-467-2827
NSN 5905-00-905-7761
NSN 5895-01-536-3730
NSN 6610-00-288-5655
NSN 5975-01-123-2147