10pcs/lot U-Groove Bearings U604ZZ Extruder Parts For 3D Printer Idler Belt Pulley Ball Rail bearing 604UU 4x13x4mm Wheel

10pcs/lot U-Groove Bearings U604ZZ Extruder Parts For 3D Printer Idler Belt Pulley Ball Rail bearing 604UU 4x13x4mm Wheel
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sku: 1005004044902727
$5.41
Shipping from: China
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