12pcs U-Groove Bearings U604ZZ 4x13x4mm Wheel For 3D Printer Idler Belt Pulleys Guide Rail 604UU Extruder Parts For 3D Printer

12pcs U-Groove Bearings U604ZZ 4x13x4mm Wheel For 3D Printer Idler Belt Pulleys Guide Rail 604UU Extruder Parts For 3D Printer
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sku: 1005003651994171
$1.07
Shipping from: China
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