1. Product Overview The 6302ZZ single row deep groove ball bearing is equipped with double-sided ZZ non-contact metal dust shields, standard size 15×42×13mm. It features thickened steel ball structure for larger load capacity, capable of bearing radial load and slight bidirectional axial load. Double metal shields block dust, wood chips and particulate impurities, lock internal long-life grease, widely used in small electric motors, conveyors, agricultural machinery, garden