here is the address
Parts List and Diagram - (0601B13010) : eReplacementParts.com
If I remember correctly, delivery was around 2 weeks. As the shaft was not in stock.
Also got hit for customs import charges,
As for using the dado yes has been ok. I take it you know that the outer washer on the shaft goes on first then the dado set. As you end up with 2 outer washer, I fit the second one on after the dado. This restricts the width of the dado to 18 mm, which is fine for plywood. I take the cuts in a couple of passes.
Also when fit a dado you will require an insert plate for the dado
Bearing puller I bought from screwfix.com
You will also require an inside circlip remover pliers.