Dear Sir or Madam I purchaced a excelvan nutri extractor from ebay New ive had it about a year and a half now with no complaints, i only use it to make smoothies, this morning i was making a smoothie as normal when it started to smell as if it was burning i looked at the machine and that was ok it was the bearing in the liquidiser itself, can you help me please with a new bearing or tell me where i can purchace one from? The model is NB600A 1000WATTS 1800RPM Cyclone Mixing. I live in the uk. Kind Regards Terry