Ball Bearing 3D Printer Accessory U604ZZ Extruder U Groove 4x13x4mm Walking Guide Bearing for 3D Printer High Quality
$1.99
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U604ZZ Extruder U Groove Deep Groove Ball Bearing 4x13x4mm Walking Guide Rail Bearings for 3D Printer Specification: Model: U604ZZ Size: 13*13*4mm/0.51*0.51*0.15\'\' Weight: 3g Internal diameter: 4mm/0.15\'\' Outer diameter: 13mm/0.51\'\' Thickness: 4mm/0.15\'\' Application: for 3D Printer Note: Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand. 1 x Ball Bearing '
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