For light-load bearing, bearing noise life and lubrication life is shorter than the bearing fatigue life. Such as household appliances bearings, bearing selection and installed correctly, match the life of the host fully meet the requirements.
Fatigue life: a rolling bearing during operation, to withstand a certain load, even if it is a static load, but the balls and the raceway, the stress is the cycle, the material will occur so that the rolling contact fatigue life of the bearing reaches. Its sudden loss phenomenon is part of the rolling surface material as ichthyosis, this phenomenon is called fatigue spalling.
Noise life: household appliances bearing, bearing bear the load is very small, very long bearing life. Bearing operation for a period of time will wear, vibration and noise increases, grease deterioration. Demanding appliances bearing noise when the bearing noise outside the allowable range, the bearings can no longer continue to use. The total time of the bearing low noise operation called the life of the bearing noise.
Lubrication life: household appliances bearings are generally maintenance-free greased sealed bearings. Although bearing lubrication requires only trace amounts of lubricant, but after a long time operation due to deterioration and leakage of grease, bearing lubrication is bad, so that the bearing failure. Good bearing lubrication state where the total time of operation is called the bearing life.



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