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 6135-01-039-2882
NSN 6110-01-158-5680
NSN 5855-01-180-2172
NSN 5975-01-276-6791
NSN 5950-00-735-7144
NSN 6145-01-434-5848
NSN 6130-01-215-9910
NSN 6650-01-152-7071
NSN 6620-01-500-9847
NSN 5910-00-542-2548
NSN 5985-01-469-6320
NSN 6150-01-560-0579