1X belt idler. Each idler has two ball bearings
Bore Diameter - 5mm
Inner Diameter of Idler - 12mm
Outer Diameter of Flange - 18mm
Total Width - 8.5mm
Below are the available bulk discount rates for each individual item when you purchase a certain amount
1X belt idler. Each idler has two ball bearings
Bore Diameter - 5mm
Inner Diameter of Idler - 12mm
Outer Diameter of Flange - 18mm
Total Width - 8.5mm
i bought it for my 3d printer and it's the good one to try with the low price
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