crankbearing

Ok...is this block worth using? If not is there any way to resurface the bearing? The Crank I'll be using is is good shape...just wondering if this will damage it?

I bought a new crankshaft and ball-bearing side cover to replace the old bushing bearing side cover on my 5hp Briggs Flathead. I am not sure what bearing to buy I seen side covers on eBay for large and small bearings, I'm not sure what I have or if there are different sizes for the crankshaft...