Uxcell V Groove Bearings 3Mmx10Mmx3Mm Miniature Review

Using this product, our team found that the bearings were cheaply made and did not last long. Although they were small they were difficult to install and did not operate smoothly. The one positive was that they were affordable, however, the cons outweighed any cost savings. Overall, we do not recommend this product..

I used some of these grooved pulleys to create my own manual guide to control how I wind the magnet wire onto a spool using a spool winder. Not only do they guide the magnet wire perfectly, but they also reduce a lot of the friction normally caused by hands. I bought 10 of these pulleys but only needed 5 because I wasn't sure if some of them would work properly. As it turned out only 1 had some internal issues, the rest worked fine. As you can see in the picture I used some nylon posts with…