Process for applying a self-lubricating coating based on PTFE on a part of a rolling bearing and rolling bearings obtained.

摘要

Process for depositing a PTFE-based self-lubricating coating on a part of a rolling bearing made of steel containing less than 5% of chromium and less than 5% of nickel, characterised by the following operating process according to which the part is subjected to a preparatory treatment with formation of crystal nuclei, followed by a phosphating treatment forming a microcrystalline layer consisting of a complex of iron and manganese, and then by a deposition of PTFE on the surface and between the crystals. ……