The so-called INA bearing burn damage state: INA Bearing raceway wheel rolling element cage rotation sharp fever until the discoloration, softening, deposition and breakage.
   Caused by the INA bearings burns main reason is the INA Bearing poor lubrication, you may use the informal lubricant or lubricant too much, too little, are incorrect. Second may be too large load is too large (preload). Speed ??is too large. The clearance is too small. The ingress of water or other foreign matter. If the above two conditions are not so is the shaft, INA bearing housing of poor precision and large deflection of the shaft. See here
    Solution: First, to study the lubricant and lubrication method selected INA bearing lubricant, its amount and the correct choice of INA Bearing. Research to meet the the INA bearing clearance and preload, and to improve the sealing device. Check the shaft and the accuracy of the INA bearing box.
 



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