Use same cloudflare tunnel in multiple orgin servers

Can i run the Cloudflare tunnel in multiple origin servers. meaning I have a server where there are few websites and other orgin server with few different websites. i want bring them all under single tunnel.

using this i want to do is use Cloudflare for saas, create a failover orgin with that single tunnel. now using that i wont require custom orgin server in Cloudflare for saas for my use case