What causes growling sound at 1500 RPM from front area of engine compartment? on 2000 Dodge Intrepid

All new belts including timing belt and idler pulley assembly. Seems worse with A/C on. Noise was present before belt change. Car has 118K miles.

Asked by for the 2000 Dodge Intrepid
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poss a/c clutch hub bearing
I don't see a cost for replacing that in the Estimator. Any ideas?