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.
4.4900 inches minimum and 4.5100 inches maximum overall length, 6.2475 inches minimum and 6.2500 inches maximum body inside diameter, copper alloy and plastic polytetrafluoroethylene and lead intermediate layer material, 6.4358 inches minimum and 6.4374 inches maximum body outside diameter, square all corners corner shape