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Re: Replacing Wheel Bearings
Should be AMC20 rear.
The bearings are not a problem, outer race just slips into the axle tube and the inner race is not a tight press.
The problem will be the hubs, they broached onto a tapered spline of the axles (with a key) during assembly. Unless damaged they will not come off without a good hub puller or a large press. Some people will tell you that unless you put on new hubs it will never be as strong as it was from the factory (questionable at best).
My opinion: By the time you add up the cost of new bearings and hubs you are over half way to paying for a one piece axle kit. I have Superior kits in two CJ's, went in easy and work fine so far. Moser and others would likely be the same.
Unfortunately you have to get the hubs off either way because you will want the brake backing plates unless you have plans to change brake systems while you are at it.