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 5925-01-494-9746
NSN 5895-01-570-9857
NSN 2925-01-068-3844
NSN 6240-01-389-5848
NSN 6240-00-224-1880
NSN 5855-01-414-6265
NSN 5985-01-152-1709
NSN 6610-00-956-4464
NSN 2925-00-028-1481
NSN 5998-00-454-2042
NSN 5915-01-574-4525
NSN 6650-00-804-2039