Hi,
Need some advice tips etc, I have stripped my rear hubs down replaced oil seal and bearings, but I am struggling to get them back in fully

. All that has happened when I have pushed them is it has pushed the bearing out of the hub by a few mills.

When I removed them I used a puller, can I get a pusher to reverse this, ir does anyone have an idea which won't threaten the thread?
Thanks
Alan