On a 1.8 flywheel, you need Mondeo 1.8 clutch (220 mm disk, 26mm shaft, 23 splines). As for the clutch release bearing, some people make do with a Sierra bearing (Quinton Hazell CCT132), also I've heard some put on two of those, some get the longer CCT133 bearing. Here's a list of part numbers of equivalents in other catalogs:
http://www.haynes.co.uk/forums/showt...?t=4036&page=3