623-ZZ Shielded Miniature Ball BearingThese bearings are very commonly used as they are a cost effective solution. They are produced with metal shields inserted into the outer raceway and fit in tightly with the inner race. These shields protect the inner part of the bearings from the entry of some dirt and other foreign bodies, as well as providing protection against light mechanical damage.They can often be found in power tools, skate boards, roller blades and also remote controlled hobby toys including cars, boats, planes. Key points:
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