the bearings are starting to fall out. i need to what to replace with because store doesn’t show anything. I have xcarve pro
contact Inventables and they may help you out. If not measure the size of the rail in mm with a caliper and check amazon. It would be hard to guess from the picture of the pro. I have purchased many linear blocks and guides on Amazon for various projects. They aren’t horribly expensive if you are buying Asian made ones.
The amazon site shows the color and type, and usually a dimensioned drawing with a key showing the various sizes.
as an example: