pescador
Well-Known Member
So I check the temps on each trailer bearing on my tandem axle trailer when I stop during any long haul trips with my boat using one of those infra red temp devices. Normally on a day when the ambient temp is around 20 degrees, the bearings are about 85-87C. When ambient temps go to 25 degrees, the bearings can get up to 90-97C range. One bearing is always 5 degrees hotter than the other three. Are these normal temps and should I be concerned about a minor variance in temp with that one bearing?