INA bearing state of burn injury refers to: INA bearing raceway wheel, roller and cage in the rotating heat until discolored sharply, softening, deposition and damaged. The main cause of INA bearings http://fagbearings.sosblogs.com/ burns is due to the bad lubrication INA import bearings, may use the informal lubricant, or lubricant too much, too little, is not correct. Second is probably too big load (preloading is too large). Speed is too large. Clearance is too small. With water or other foreign matter invasion. If the above two cases are not the shaft, the precision of the INA bearing box, shaft deflection. See here, Solution: first, to study lubricants and lubrication method, choose the right INA bearing lubricant, and its dosage, and the choice of INA bearings must be corrected. Study to cooperate, INA bearing clearance and preloading, and improve the sealing device. Check the shaft and the precision of the INA bearing box.
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