10PCS S693ZZ 3X8X4 mm Stainless Bearing ABEC-9 Stainless Steel Ball Bearings Shielded High Precision AISI440C

10PCS S693ZZ 3X8X4 mm Stainless Bearing ABEC-9 Stainless Steel Ball Bearings Shielded High Precision AISI440C

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