Deep groove ball bearings:They are suitable for Tractors, motors, automobiles, motorcyclees, and other common machinery, as a widely used type of Bearings in machinery industry.

INCLUDE like:16001series
6000~6020(zz or 2rs)
6200~6220(zz or 2rs)
6300~6315(zz or 2rs)
61900series
Etc

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