No, replacing the bearing should not damage the hub, and the hub should not have been damaged from driving with a bad bearing, unless you kept driving it after it was really, really bad.
95 Contour Zetec, ATX (wrecked, sitting in the barn)
95 Mystique Zetec, MTX
2000 Taurus SEL 3.0L Duratec
1994 Crown Victoria LX 4.6 V8
1993 Chevy Silverado 4.3 V6
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