You need to know how much weight you have on your tires before you know what to inflate them to. They will not get hot quickly and cause a blowout if you don't have them inflated to 110 psi. I have a triple axle toyhauler with 12,000 lbs. on all three axles, with a max of 2500 lbs. on two tires. I run my G-rated Sailun tires at 90-95 psi., and have been doing so for nearly 5 years. My Sailuns show even wear and look to be good for several more years.
But you need to know how much weight you're carrying on your axles. Knowing how much weight you're carrying on individual tires is good, but sometimes that can be a hassle to get.
Personally I feel uncomfortable running my G-rated Sailuns under 90 psi, but I do know some who run pressures down in the 80's. But not me, in the summer I run 95 psi as a rule. 110 psi is too much pressure for my weight and beats me, and my trailer, to death on rough roads.