Solid High Precision Bearing Steel Ball Dia 1mm 1.5mm-30mm Smooth Ball Beads
Material: Bearing steel. Tolerance: ±0.02mm.
61800 61801 61802 61803 61804-61806 ZZ RS Thin Section Deep Groove Ball Bearings
Which leads to the actual price may be more expensive or cheaper than the price in the link, hope you can understand. It should be noted that the freight of the freight forwarder has been changing.