TRIBOLOGICAL DEVICE

摘要

The invention relates to a tribological device, in particular a miniature anti-friction bearing comprising zirconium dioxide based rolling bodies, which are resistant to superheated steam up to a temperature of 450 degrees and travel along rolling tracks. To achieve said characteristic, at least the surface of the anti-friction bearing consists of zirconium dioxide that is stabilised by Mg0 and/or Ce02 and/or SC203, said zirconium dioxide having an at least partially tetragonal structure. In an additional embodiment of the invention, the zirconium dioxide is stabilised by Y203, the primary particle size being less than 300 nm and preferably less than 100 nm.