Methods for maintenance and / or repair of machinery and transport a bearing assembly

The invention relates to a method for maintenance and / or repair a machine installation, comprising at least one rolling bearing assembly, the method comprising the steps of: a) disassembling the at least one bearing arrangement of the machinery; b) storing the at least one bearing assembly outside of the machinery; c) Repair and / or maintenance of the machinery; d) replacement of at least one bearing assembly in the machinery. In order to protect the bearing assembly during storage outside of the machinery, even under harsh environmental conditions in a simple manner, the invention provides that are executed after the disassembly of the bearing assembly according to step a) and before storing of the bearing assembly according to step b) the steps of: introducing the bearing arrangement in an at least substantially gas-tight enclosure; At least partial removal of the air is located in the enclosure; Introducing an inert gas different from air into the enclosure. The invention further relates to a method for transporting a rolling bearing assembly.