The invention relates to a bearing system 1 of a flap valve 6 consisting of a valve shaft 1.1 with a valve shaft pivot 1.2, and consisting of a separate bearing body 2 which is fastened on the end side to the valve shaft 1.1, and of a valve housing wall 3 which has a shaft bearing 3.1 in the form of a depression, the bearing body 2 being guided rotatably in the depression 3.1. Here, the bearing body 2 has a recess 2.1, into which a separate bearing piece 4 is inserted, the valve shaft 1.1 bearing indirectly via the bearing body 2 and the bearing piece 4 against the housing-side shaft bearing 3.1, the bearing body 2 and the bearing piece 4 being formed from different metals or different materials.

A planetary gearing includes a sun gear rotating about a rotation axis and driven by a sun shaft; planet gears driven by the sun gear; a ring gear engaging the planet gears; and a plurality of planet pins that respectively include an outer-side abutment surface having an axially forward end and an axially rearward end. Respectively, one planet pin is arranged inside a planet gear, and the planet pin and the planet gear form a lubricated journal bearing. At an axially forward face side and/or axially rearward face side, each planet gear forms a recess that extends inside the planet gear starting from the face side. The planet pins respectively form a crowning at their abutment surface such that their outer diameter decreases from a maximum outer diameter towards at least one axial end of the abutment surface, and has a minimum at the axial end.

A photocurable resin composition for a self-lubricating liner contains a (meth)acrylate compound having an isocyanuric acid ring, a polytetrafluoroethylene resin and at least one of zirconium phosphate tungstate and zirconium phosphate.

A trunnion bearing includes an inner ring that has a first exterior surface and a first interior surface. The first exterior surface has a spherical contour. The trunnion bearing includes an outer ring that has a second interior surface and a second exterior surface. The second interior surface has a spherical contour. The inner ring is disposed at least partially in the outer ring. A metallic liner made of a copper based alloy is disposed between the first exterior surface of the inner ring and the second interior surface of the outer ring. The inner ring and/or the outer ring are made from a titanium based alloy.

A hybrid bearing system includes a self-lubricated bearing assembly including a self-lubricated bearing element and at least one elastomeric bearing assembly arranged adjacent the self-lubricated bearing assembly. The elastomeric bearing assembly is torsionally mated with the self-lubricated bearing element as a torsional load is applied about an axis of the self-lubricated bearing.

Plain bearing providing an outer ring with an inner surface, an inner ring with an outer surface, the rings being symmetrical around an axis and metallic, at least on the rings being a textured ring with a texturation consisting of a plurality of micro-cavities arranged onto a textured surface. A composite self-lubricating composite liner that is interposed between the inner surface of the outer ring and the outer surface of the inner ring, so that upon sliding movement of the textured ring with respect to the composite liner, some solid particles of the liner, acting as a solid lubricant, are detached from the composite liner and migrate between the sliding surfaces until they get retained into the micro-cavities.

A joint bushing that accommodates the dithering and sliding in multi segment wind turbines. The joint bushing includes a self-lubricating liner that is a composite system incorporating woven Polytetrafluoroethylene fibers intermixed with structural reinforcement fibers in a composite matrix. The composite system provides sufficient life without requiring re-lubrication.

Disclosed is a linkage assembly for a gas turbine engine having a link having a first end, a second end, and a rod extending therebetween, the first end having a first sliding bearing disposed within a first sliding bearing housing, a fastener comprising a first flange and a second flange, a pin extending between the first flange and the second flange, wherein the first sliding bearing is pivotally connected to the pin; and a biasing member secured between the first flange and the sliding bearing housing, the biasing member contacting the sliding bearing housing and biasing the link against rotation about a center axis for the rod of the link.

A bearing assembly includes a support ring circumferentially surrounding a central bearing axis and a plurality of superhard bearing elements coupled to the support ring. Each of the plurality of superhard bearing elements has a base, a superhard bearing surface, and a lateral periphery extending between the base and the superhard bearing surface. The superhard bearing surface has a partial-ellipsoidal surface shape. A bearing apparatus includes an inner bearing assembly and an outer bearing assembly. A subterranean drilling system includes an output shaft operably coupled to a bearing apparatus.

A bearing arrangement for use with a structure defining an outer surface which expands and contracts inward and outward relative to the structure includes, a member having at least one inner surface to face the outer surface, and at least one protrusion extending from the inner surface, the at least one protrusion being biased toward and in contact with the outer surface and maintains contact as the structure expands and contracts.