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 
Spain Classification: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi
NSN 6110-01-525-8748
NSN 5915-01-242-9686
NSN 5905-00-552-2661
NSN 5998-00-177-3585
NSN 5960-01-589-6846
NSN 5975-01-381-3543
NSN 6685-01-482-7329
NSN 6610-01-386-0647
NSN 5930-01-645-6334
NSN 6220-01-634-0660
NSN 5895-01-328-8045
NSN 5920-01-122-6303