Darrel convert to the ribbed poly V belt pulleys and you can go to one inch on the small one.
I have a one inch drive pulley on my drill press I keep the belt on it most of the time and runs great.
If you do this you will get 1380 RPM on the blade.
I have this same type of belt on my saw too.
https://www.google.com/url?sa=t&rct=...y7O4KzIo-1uRpg
Worth