GT2 Ball Bearing Idler (Smooth) 5mm bore

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1X belt idler. Each idler has two ball bearings and the bore diameter is 5mm.
6mm Width

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  • 5
    very good

    Posted by Thinh Pham on Mar 25th 2021

    i bought it for my 3d printer and it's the good one to try with the low price

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