Bearings are coated with a proper amount of rust-proof oil and packed with rust-proof paper at the factory. As long as the packaging is not damaged, the quality of bearings will be guaranteed.

But for long-term storage, it is advisable to store it on a shelf 30 cm above the ground under the condition that the humidity is lower than 65% and the temperature is about 20 degrees Celsius.

In addition, the storage area should avoid direct sunlight or touch with cold walls.