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The Cooling Fan Bearings

来源:本站 时间:2014-08-04点击:2844次

How to choose the best cooling fan bearings to your fans?


1. The Sleeve Bearing.  Come to the Two Ball bearing type, this bearing is cheaper and easy to produce.  Of couse this bearing fan life will be half of twp ball bearing fans. Usually the life will be 20,000hrs to 25,00 hrs running at normal conditional!


2. The Two Ball Bearing. It is usually export from Japan and South Korea such as NBM, NSK!  This bearing use for kinds of dc fans, especialy some of bad condition at high temperature and high humidity. The fan life can be as long as 50.000 hrs!