None of the Ransey wormgear winches,such as the RE models, will fit into the ARB, at least out of the box. That's not to say, if you're handy with a torch and welder, you can't adapt them to fit.
ARB bumpers are designed for, and will accept most (but not all) of the planetary winches. That said, check with the suppliers to see if the " I " series of Warns will fit. Warn and Super Winch are pretty much the same in mounting configuration, so where one will work, the other most likely will also