Bearing: the fan bearing the main reason for the lack of oil, holding in death

However, what we call today is bearing the butter and the correlation of the ABS sensor butter too much influence good lubrication effect, not only waste, but also can lead to ABS sensor failure. Consider using the outer seal; Gully erosion symptoms: cover raceway for the most part or whole raceway circumferential axial parallel brown nicks; Reason: last by alternating current or direct current (dc); Even low current; Solution: by the methods of grounding insulation or prevent current through the bearing; Use the electric insulation bearing; Excess load symptoms: serious roller grinding crack; Overheating; The spread of fatigue area ( Spallation) ； Reason: the bearing of excess load; Solution: reduce the load; Redesign. Level of bearing inner cavity filling space / ~ /, if only consider the lubrication, so oil lubrication and dominant grease lubrication but also can simplify the structure of bearing the surrounding of the special features. Due to the influence of the bearing temperature due to turbulence is ratio, especially the quality of train running speed, grease and bearing clearance size of bearing temperature influence is bigger, so it is unable to provide bearing allows temperature calculation formula, a love time, allows the temperature of the outside temperature + can be used as the bearing, and the axle box at the top of the measurement. Bearing heating, uniform heating, never can have local overheating situation, this method is usually used in the bearing is installed on the cone diameter of axle directly to the situation. Line contact of the rolling bearings have higher request for grease, storage methods require different linear bearing products deposit has a different way, the wrong way also can give an adverse effect on the bearing. % of the high-speed growth, and our country engineering plastics plastic bearing mainly rely on import, improper selection of bearing, if the early bearing service life will be shorter. According to the situation of wear parts processing unilateral or bilateral ( Front axle shoulder/rear axle shoulder) Folio fixtures, fixtures made of thick wall steel tube or round steel wall thickness should have sufficient strength and stiffness, make sure that there is no deformation; Repair the diameter size tolerance in wear parts based on the original tolerance. The first use of clean before assembly metal cleaner and remove must comply with the basic rule of bearing dismantling, and according to the different bearing adopt different ways to remove the tools and remove. Out of the unit, unbalanced, loose structure, basic resonance structural factors, even if no import outer spherical bearing characteristic frequency, should be decisive judgment import outer spherical bearing fault for maintenance. Life ( Refers to the set of bearing) Life of a bearing ring or a washer or a rolling element material fatigue before expansion appeared for the first time, a ring or a washer relative to the other a ring or a washer of the revolution. Vertical installation of bearing inner cavity filling space/( Upper) ； /（ Underside) , easy to pollution of the environment, for low or medium speed bearings, can put the bearing fill all space.