Railway freight rolling bearing products quality assurance

Railway freight car rolling bearing products quality assurance regulations 2019 - 10 - 19. 1. New pieces bearing quality guarantee no axle box, double row circular cone roller bearings 'new bearing from the date of loading for the first time, during the quality guarantee period, because of bearing truly material defect causes of traffic accidents, accident liability by bearing manufacturing unit. Low new bearing from the date of loading for the first time, during the quality guarantee period, because of bearing manufacturing quality truly causes of traffic accidents, accident liability by bearing manufacturing unit. Low new bearing from the date of loading for the first time, during the quality guarantee period, due to material defect or manufacturing quality found in use causes of fault bearing, free replacement by bearing manufacturing unit. Pieces have cylindrical roller axle box bearing axle box cylindrical roller bearing from the date of loading for the first time, during the quality guarantee period, due to the bearing material defects and manufacturing quality problems caused by the traffic accident, accident liability by bearing manufacturing units; Due to the material defects and manufacturing quality of bearing fault, free replacement by bearing manufacturing unit. 2. Overhaul bearing quality guarantee low overhaul bearing from the date of loading for the first time, during the quality guarantee period, the overhaul quality of bearing causes of traffic accidents, accident liability by bearing repair units. Overhaul bearing from the date of loading for the first time, during the quality guarantee period, and use because of overhaul quality of the faults found bearing, free replacement by bearing repair units. Overhaul bearing from the date of loading for the first time, during the quality guarantee period, because of bearing parts truly material defect causes of traffic accidents, accident liability by bearing components manufacturing unit. 3. General maintenance bearing quality assurance from the date of loading, in a period of repair period, due to general maintenance quality problems caused by the traffic accident, by general maintenance unit take primary responsibility for accident. 4. Bearing pressure equipment quality guarantee low bearing from the date of installation, in a period of repair period appear loose bearing pressure equipment such as quality problems when the bearing pressure equipment unit is responsible for the installation. Low due to being connected in the traffic accident caused by quality problems, by being connected unit shall bear the liability accident. 5. Bearing appearance inspection can be completed on the quality assurance of trucks, confirmed by the appearance inspection without good withdrawal of bearing, may continue to use the load, and by loading unit 3 months of appearance inspection quality guarantee responsibility. （ Source: the resources of railway vehicle platform)