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.
bs 1449 en2a 00501 mfr ref 1st material response outer layer material document and classification, 75.2350 millimeters minimum and 76.2510 millimeters maximum body outside diameter, 70.9399 millimeters nominal body inside diameter, 3.5560 millimeters minimum and 3.5810 millimeters maximum overall length, square all corners corner shape