Railway freight storage back-up bearing

Railway wagon back-up bearing store 2020 - 12 - 05 railway freight car rolling bearing is an important part of a railway truck, the vehicle in use, because of the high speed, big load, conditions and alternating stress is large, make some parts of the rolling bearing abrasion happens, relaxation, the phenomenon such as deformation, corrosion crack and fracture, the failure will directly endanger the train operation safety. Bearing maintenance as one of the important content of vehicle maintenance, mainly combined with simultaneous vehicle maintenance, the maintenance system and truck repair system mutual constraint, mutual attachment, but relatively independent, relatively independent each other, influence each other. In shaft overhaul, the back-up bearing storage shall meet the following requirements: the storage of the back-up bearing is in pieces shall set up independent storage library; In pieces the back-up bearing deposit of the rolls should have bearing rack or storage tank; Mixer back-up bearing detection, assembly, storage, installation of temperature, humidity and cleanness of environment must meet the specified requirements, the qualitative check of not less than 2 times per week, quantitative check once a month; Every time not less than 3 sets, quantitative examination, shall be conducted in 2 days after the qualitative inspection; Pieces for general maintenance and repair of bearing naked storage time is more than 24 hours, should be rust proofing; Inventory spare bearings must be use, bearing from the date of put in storage, the longest storage time shall not be more than 3 months, general maintenance bearing such as packaging, its storage period shall not be greater than 1 months; When transporting or loading and unloading of bearing, may throw, breaking, prevent the bearing parts dept. and bruised. （ Source: the resources of railway vehicle platform)