Everspin cap
thingiverse
These custom caps are engineered to perfectly fit bearings that have an inner diameter of precisely 0.195 inches. I've created not one, but two unique designs for these caps, which you can view by visiting my webpage.
Download Model from thingiverse
With this file you will be able to print Everspin cap with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Everspin cap.