Not only did little albert learn to fear white rats, he also cried when presented with a santa claus mask or a seal-fur coat. this behavior was the result of:

This behavior was the result of: stimulus generalization

stimulus generalization is people's tendency to give similar responses after have been previously conditioned to several stimulus.

In this case, albert's mind is conditioned to fear all the things that have a white fur, so his brain will give a same response to both seeing white rats and seeing a white fake beard.