A scroll compressor, comprising: a first scroll member having a baseplate and a spiral wrap that projects from a surface of the baseplate; a second scroll member having a baseplate and a spiral wrap that projects from a surface of the baseplate; an aerostatic thrust bearing that supports the second scroll member in an axial direction and includes: a surface of the second scroll member, a surface of a fixed supporting member, and a gas distributing structure, the gas distributing structure including an inner radial seal and an outer radial seal located between the second scroll member and the fixed supporting member, wherein there is a space having an axial dimension between the surface of the second scroll member and the surface of the fixed supporting member; the inner radial seal and the outer radial seal are provided on or embedded in the surface of the fixed supporting member or the surface of the second scroll member, characterized in that the inner radial seal and the outer radial seal each have an axial dimension (1712, 1722) such that they extend into the space to form a respective restriction (1714, 1724) having an axial dimension that is shorter than the axial dimension of the space; a source of pressurized gas supplies pressurized gas to the gas distributing structure; and the gas distributing structure comprises one or more openings in the surface of the second scroll member or the surface of the fixed supporting member located between the inner radial seal and the outer radial seal, and forms a layer of pressurized gas between the surface of the fixed supporting member and the surface of the second scroll member, the pressurized gas from the layer of pressurized gas configured to exit from between the fixed support member and the second scroll member through the restrictions formed by the inner radial seal and the outer radial seal. a first scroll member having a baseplate and a spiral wrap that projects from a surface of the baseplate; a second scroll member having a baseplate and a spiral wrap that projects from a surface of the baseplate; an aerostatic thrust bearing that supports the second scroll member in an axial direction and includes: a surface of the second scroll member, a surface of a fixed supporting member, and a gas distributing structure, the gas distributing structure including an inner radial seal and an outer radial seal located between the second scroll member and the fixed supporting member, wherein there is a space having an axial dimension between the surface of the second scroll member and the surface of the fixed supporting member; the inner radial seal and the outer radial seal are provided on or embedded in the surface of the fixed supporting member or the surface of the second scroll member, characterized in that the inner radial seal and the outer radial seal each have an axial dimension (1712, 1722) such that they extend into the space to form a respective restriction (1714, 1724) having an axial dimension that is shorter than the axial dimension of the space; a source of pressurized gas supplies pressurized gas to the gas distributing structure; and the gas distributing structure comprises one or more openings in the surface of the second scroll member or the surface of the fixed supporting member located between the inner radial seal and the outer radial seal, and forms a layer of pressurized gas between the surface of the fixed supporting member and the surface of the second scroll member, the pressurized gas from the layer of pressurized gas configured to exit from between the fixed support member and the second scroll member through the restrictions formed by the inner radial seal and the outer radial seal.