Changzhou Giant Bearing Co., Ltd

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5.When should I replace my bearings?

If you have gone through the cleaning steps outlined above and your bearings begin to feel gritty or notchie to the touch,they should be replaced.When bearings sit idle for a long time,they must be  protected from any and all moisture.This is a common problem when storing small RC engines.If any moisture has gotten to the bearings, they will need to be replaced before using the engine again.