Hi All,   Hopefully this will help someone as I could not find anything online. I was about to pull the trigger on a new fan which is really limited as to where you can get them and expensive. A new fan from Vent Axia is £280 I sourced bearings from Amazon for £7.   Below is a series of pictures showing the fan in various states of disassembly. To remove the fans from the unit requires a full strip down of the unit unfortunately, this is not difficult just a pain, e