Zanussi bearins replacement, black spots on washing?

Hi, could you please tell me in full how to replace the bearings on a Zanussi FJ1295 washing machine, black spots (grease or oil from bearings) seem to have appeared on our clothes, the holes match up to the drain holes on steel drum, also when machine is in spin it seems to be alot noiser than normal.I have put a wash on with no clothes in and found no noise and no black in drum, all this seems to indicate worn bearings. I cant afford to spend £350 plus on another machine and would like to repair this one. Zanussi service agents want about £200+ to repair it, I can get a bearing kit and new gasket for £38 so work out the maths yourself. Pleeeeease can someone help me.
Thank you in advance..........Bob