Abstract: The bearing comprises a metal backing, a sintered layer on said metal backing, and a lining layer infiltrated into pores of the sintered layer and standing proud thereof to provide a bearing surface. The lining layer comprises polytetrafluoroethylene including 2 to 10% by volume of fibrillated aramid fibers.

Abstract: A plain bearing is disclosed comprising a bearing layer bonded to a sintered metallic layer, which in turn is mounted on a backing plate. The bearing layer comprises a material formed from two interpenetrating networks, one of polytetrafluoroethylene and the other of polyphenylenesulphide. The percentage by volume of polyphenylenesulphide is between about 45% and about 55%.

Abstract: This invention consists of a plain bearing in which the bearing surface consists of or includes poly-phenylene sulphide to give good bearing properties and also because such linings can be bonded to backings to steel or aluminium or aluminium alloys with a bond that withstands hard operating conditions, for example changes of temperature and changes of shape and stress. The linear polymer can be cross-linked to a desired extent by appropriate treatment.

Abstract: A method of applying a bearing lining at least 0.005 inch thick of polyarylene sulphide to a bearing backing, which comprises applying to said backing a powder composition consisting of at least 80% by weight of uncured polyarylene sulphide together with at least 10% by weight of precured polyarylene sulphide, said precured polyarylene sulphide having been cured by being heated in air for 2 hours at at least 400.degree. C and is in the form of particles with sizes in the range 53-211 microns, and then heating and curing the uncured polyarylene sulphide of the coating by heating to a temperature of at least 380.degree. C. To produce the cured powder, uncured powder is mixed with salt and then cured; the salt prevents the powder from coalescing, and is subsequently dissolved out.

Abstract: This invention consists of a plain bearing in which the bearing surface consists of or includes poly-phenylene sulphide to give good bearing properties and also because such linings can be bonded of backings to steel or aluminum or aluminum alloys with a bond that withstands hard operating conditions, for example changes of temperature and changes of shape and stress. The linear polymer can be cross-linked to a desired extent by appropriate treatment.

Abstract: This invention is a new method of applying an arylene sulphide polymer bearing lining to a bearing backing in particular where the polymer is poly phenylene sulphide. In order to get effective cross-linking in the linking and effective bonding to the backing it has been found of importance to include with the uncured polymer an oxidizing agent preferably a metallic oxide powder in the proportion by weight to the polymer of about 5:95. Copper, tin, lead and manganese are preferred metallic oxides because the residue metals left in the bearing lining can have helpful bearing properties in certain applications.