Self-lubricating bearings also have shelf life?

Many people know that food, electrical appliances, has a shelf life of goods, but also self-lubricating bearings have a shelf life of these components, and how many people know about it?
      Let's look at the definition of self-lubricating bearings shelf life, shelf life by grease lubricated bearings or components is expected cumulative lifetime estimate (hereinafter referred to as "life '') because of the large changes in various factors, such as lubricants Analysis of the rate of oil and lubricants fugitive, operating conditions, installation conditions, temperature, humidity, and deferred storage. self-lubricating bearings abnormal wear solutions
       Therefore, self-lubricating bearings in the course should pay particular attention to the following details:
1. Do not tear up or alter any labels or stencil marked on the package.
2. Save and should ensure that the packaging is not pierced, crushed or damaged.
3. After removing the packaging, the product should be put into use as soon as possible.
4. from bulk containers in cannibalize non-independent packaging individual products should be immediately re-seal the container.
5. The method according to the shelf life of the description, do not use more than the shelf life of the product.
6. The temperature should be between the storage area should minimize temperature variation between OC (32 degrees Fahrenheit) to 40 C (degrees Fahrenheit).
7. The relative humidity should be lower than the storage area away from dust, dirt, steam and other harmful air pollutants.
8. The storage area should avoid excessive vibration.
9. Any extreme circumstances should be avoided.