4720-15-006-2997

2990-15-139-1993 2990151391993 151391993 DISCO FRIZIONE

5905-00-139-1993 5905001391993 001391993

3110-66-139-1993 3110661391993 661391993 is a bearing consisting of a roller radial unit and a roller thrust unit. the inner ring of the radial unit is integrally one ring of the thrust unit. excludes items in which the same row of rollers accommodates both radial and end thrust.

5120-25-139-1993 5120251391993 251391993 is a hand tool designed to install bearings and/or bushings onto shafts and/or into holes. it may be operated by a pushing or a striking force.

3120-01-139-1993 3120011391993 011391993 is 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.