I have read trailer wheels do not take cornering loads as well as truck or cars wheels. They do go around corners, but it's not the same side load as a front wheel will see. They also are designed for twisting loads like a axle buts on them trying to get the truck moving, this is the free wheeling part. As long as its welded good with a heavy center section, this shouldn't be any problem.
If you are not road racing your truck, a trailer wheel should be just fine. Most of the ones I deal with at work are much heavier then truck wheels, but then these are heavy trailers.
Joe.
