I bought these uxcell brand bearings along with uxcell brand 3mm rods (https://smile.amazon.com/gp/product/B00OK6DT76/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1), with the expectation that they will work together. However, the inner diameter of the bearing is 2.94mm smaller than the 3.04mm diameter of the 3mm rods.
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