Can You Grease A Noisy Wheel Bearing?

Can You Grease A Noisy Wheel Bearing? It can be greased/checked/replaced without further disassembly. But if the outer bearing is worn (or clearly been running — turning — without adequate grease, probably the inner bearing should be checked, too. How do you lubricate wheel bearings? Lithium based greases are very popular as bearing grease due