McMaster-Carr ( http://www.mcmaster.com/ ) will have most of what you
need and should ship outside the USA.

You will have to look up things like sealed bearing, pillow block and
pulley or sheave (another word for pulley--really the groove the V-belt
rides in), keyway, woodruff key, etc. so get out your dictionary!

Another good resource is Reid Tool supply
https://reidecom.reidtool.com/xephr/qbe/homepage
sometimes more pricey, but they have oddball knobs & threaded things a
lot of other catalogs don't have