If it has the marksman top bearing, you need a 3mm washer under bearing cup, as it is only 12mm wide and you need 15mm..... plus front end will be about an inch too low.......
Gasket behind disc as a shim...your local wine man does it in different widths Clive......
https://www.Eblag.co.uk/sch/m.html?_odkw=&_sac=1&_ssn=moynabee&hash=item3f7b8deb56%3Ag%3Abu8AAOSwMgdXzeYS%3Ark%3A6%3Apf%3A0&item=272655838038&_osacat=0&_from=R40&_trksid=p2046732.m570.l1311.R1.TR12.TRC2.A0.H1.Xgasket.TRS0&_nkw=gasket+paper&_sacat=0