warrior 175 bearings trailor

had a look at bearings in hub on trailor how do you get back bearings out of hub there is a seal around back bearing. can you tap out seal if i need to be change them

use a lump chisel and tap it out gently all around

Have a look here:http://www.boat-angling-ireland.com/phpbb/viewtopic.php?f=13&t=1949&p=25942&hilit=bearing#p25942
Might be useful.