If the belt is 1000mm is diameter it is 3140mm long, so lets say your new belt was 3150mm long and side by side can you spot a 1 cm difference? It would end up 3mm bigger in diameter and that could make the difference to hitting stuff.
I sent rockauto pictures and description and all info on the car, got one of those copy paste replies to provide info about the car and description, but I already did, no point I have to pay postage so not worth it from abroad.
If it was not for the SM it may still have been in the garage! It says to remove the resovoir, when we did thats when we saw the rubbing