I replaced my CR tires with Goodyear Endurance, same size you listed. From recent reading, about the only place you can get them is Discount Tire. Seems GY temporarily suspended manufacturing them.
I'll second any utility trailer place to get the bearings done, even a full service auto shop might do the work. Try to get Timken bearings.
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S.E. Mich. Flagstaff 26FKWS / 2019 F-150 3.5 EcoBoost SCrew Propride