thereof then the cartridge is secured against movement by means of two ring shaped washers such as 7 which have a set of internal notches 7a matching the notches of the cartridge these two sets of notches fitting into each other screws such as 8 secure the washers 7 to the endmost edges of the bearing shell 5 these operations require no special tools and may be carried out without special precautions by unqualified staff the bearing thus formed is shown schematically in section in fig5 replacing one cartridge by another forms a maintenance operation which becomes extremely simple and comprises no risk of defective adjustment of the foils since the cartridge has been previously correctly manufactured in a specialized workshop it should be noted that the bearing shell 5 requires no special machining moreover fig6 shows schematically a self contained cartridge variant in accordance with the invention in this variant the foils no longer have an external heel portion as before they are welded by spot welding 9 at the level of their internal securing portion to a thin jacket 10 whose external diameter is equal to that of the bore of the bearing shell sliding fit as before the cartridge is provided with notches in its border which in this case are preferably formed on the edges of the jacket 10 the foils having a constant width slightly smaller than that of the jacket it is then this latter which projects from each side of the shell and serves for securing the cartridge against rotation and translation in the same way as before the manufacture of the self contained cartridges in accordance with the invention may be carried out by different procedures the.