If you REALLY need to replace the bed instead of doing the repair as suggested, check the Voron project, especially the Switchwire printer, as they have suggestions there:

https://vorondesign.com/sourcing_guide?model=VS

Other than that, Amazon have direct replacements like this one:

https://www.amazon.com/300x300x400mm-500x500x500mm-3D-Creality-310x310x3mm/dp/B07BDLXWNJ/ref=sr_1_3?crid=3LF86ECZJMRCA&keywords=cr10+bed&qid=1666893309&qu=eyJxc2MiOiI0LjY3IiwicXNhIjoiNC4wNCIsInFzcCI6IjMuNTcifQ%3D%3D&sprefix=cr10+be%2Caps%2C212&sr=8-3