[Closed] FSA Headset Bearings, best replacements (MR019 ZS56s)?

I have a cube stereo hybrid 160 and the headset bearings are acting up after half a dozen rides, stripped them down, full of cack and doubt they'll last much longer without having a constant grinding noise, so looking to get something to replace these, has anyone else looked to something a bit more robust?

THe bearings are 'TH MR019 1.5" 36x45 H9', so basically 40x51.8x7.5 with the chamfer, had a hunt around and kinetic do one, but sold out, so is there any others out there, the standard one doesn't fill me with confidence, and i do see there are 7mm and 8mm wide options, but would this affect it much?