Instead of using heat there is an alternative. If you have a bearing driver kit then select the driver for the bearing size. You'll need a piece of pipe slightly longer than the housing that will slide over the bearing driver handle. Basically you're going to drive the bearing out from the opposite side of the rear axle housing. Slide the pipe into the housing, I set the driver into the pipe in the pumpkin opening before sliding it against the bearing. A few taps from a large hammer/small sledge hammer and the bearing and everything comes out, no damage like can happen with a slide hammer.