10PCS MR42ZZ 2x4x2 mm Precision Bearing ABEC-9 High-Speed Small Bearing For Toy Motor Model MR52ZZ MR63ZZ MR83ZZ MR95ZZ MR115ZZ

10PCS MR42ZZ 2x4x2 mm Precision Bearing ABEC-9 High-Speed Small Bearing For Toy Motor Model MR52ZZ MR63ZZ MR83ZZ MR95ZZ MR115ZZ

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