Electric fans use fan shaft bushing or better bearings?

Most household electric fans use brass, high-end fans have fans using brass, some fans use bearings. So use brass or ball bearings for household fans. Should I make a brass fan into a bearing fan? This video will answer that for you.
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You can see the price and order the heat-resistant plastic shirt for the bearing here: shope.ee/7A72s...
You can see the price and order NSK genuine 608 bearings here (Recommended to buy this type for the fan to be durable): shope.ee/4pj86...
You can see the price and order the commonly used 608 bearings for fans here: shope.ee/8evqf...
You can see the price and order all kinds of fan parts here: shope.ee/6fAhg...
Or here: shope.ee/502Th...
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