Bearings types difference
Hi, I want to ask what is difference between 2RS and ZZ bearing. First use 2 rubber seals second metal shield, but why first type cost a lot more than zz? have some advantages?
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\the quality of the first one is better than the other that's why it is expensive than the other !
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These metal shields are apparently easier to manufacture. Metal shields aren't entirely tight, either, but they do withstand higher temperatures and show less friction. No matter what shield you use,...
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The 2RS are sealed for life bearings i.e. the grease within the bearing cannot get out or contaminants get into the bearing and damage it. The ZZ are just a metal shield to stop larger contaminants...
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