According to Beko: No longer available.
http://www.bekospares.co.uk/fridge-freezer/nco9600-6069483180/baffle-with-motor-fsb720ffs/product.pl?pid=270669&path=110911&model_ref=11345729
Interesting post from a bunch of people whose first language isn't English, but it suggests the problem may actually be in the control electronics around the baffle
http://howtomendit.com/answers.php?id=430352
Note one contributor Replaced both low voltage electrolytic capacitors on microcontroller board. EBay, Amazon or even Maplin should be as good a source as any. Working on the principle that here's nowt to loose, it may be worth a punt.
XXX
January 2017