G5 SI3N4 Ceramic Bearing Ball 1.588/2/2.5/2.381/2.778/3/3.175/3.969/4/4.5/4.763/5/5.556/5.953/ 6/6.35/6.747/7.144/7.938~34.925mm

G5 SI3N4 Ceramic Bearing Ball 1.588/2/2.5/2.381/2.778/3/3.175/3.969/4/4.5/4.763/5/5.556/5.953/ 6/6.35/6.747/7.144/7.938~34.925mm

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