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 5910-01-467-8948
NSN 5990-01-157-0441
NSN 5975-01-295-4179
NSN 5999-01-058-2654
NSN 2925-00-520-9546
NSN 5855-01-350-2454
NSN 6610-01-473-5678
NSN 6150-01-023-1516
NSN 6620-00-050-9831
NSN 5915-01-481-5770
NSN 5960-00-970-7960
NSN 5990-01-277-2118