Have you guys had a look at
http://www.transworks.biz/ before. Seems that they may have come up with a new way of skinning a cat.
On their site, they machined IRS type1 side covers to accept outboard bearings to carry the weight of the carrier and output shafts, that by doing this it stopped stub axle breakage associated with IRS high HP type1 trans applications..., and consequently their running Inboard brakes as well.
Have a look, it's under FLANGE BEARING RETAINER, here's the link
http://www.transworks.biz/TWP.html http://www.transworks.biz/brakes1.jpg
dd-ardvark / David