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 5920-01-447-4265
NSN 5895-01-014-5849
NSN 5910-00-239-8411
NSN 6130-01-325-6748
NSN 5950-01-207-0929
NSN 6220-01-451-3056
NSN 6685-01-503-0314
NSN 5930-01-078-6491
NSN 5905-00-723-0178
NSN 5960-00-140-9583
NSN 6620-01-344-6074
NSN 6220-01-453-7533