Spool Roller with flanged ball bearing

Spool Roller with flanged ball bearing

prusaprinters

<p>This is a universal spool roller for spools of diameter 200mm and up.</p> <h3>Print instructions</h3><h3>Category: 3D Printer Accessories Summary</h3> <p>This is a universal spool roller for spools of diameter 200mm and up.</p> <h3> Instructions</h3> <p>Print two copies of the base.</p> <p>Add for each :<br/> 4x F624zz bearing<br/> 2x M4x25 bolt<br/> 2x M4 nut<br/> 4x M4 washer</p> <p>File the inner surfaces where the bearing will be loacted.<br/> File the bolt holes with needle file. Don't force drill them, they snap easily.<br/> Pair up the flanged bearings with the flanges out.<br/> Assemble the bearings inside the slots using a bolt by placing a washer at each surface mating with the plastic.<br/> Tighten by hand or gently using a screwdriver.</p> <p>The foremost copy in the attached photo shows the first iteration where the supports are smaller than the ball bearings' flange. This was too fragile and broke off when re-drilling the bolt holes to size. The final version in the background has larger supports.</p> <p>Enjoy!</p>

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