An object of the present invention is to solve the above problems of the conventional apparatus and provide a rotating polygon mirror driving apparatus which permits realization of {TAIL ~ decreases} in the cost and {HEAD ~ thickness} without deteriorating the precision of bearings 
An object of the present invention is to solve the above problems of the conventional apparatus and provide a rotating polygon mirror driving apparatus which permits realization of { TAIL ~ decreases } in the cost and { HEAD ~ thickness } without deteriorating the precision of bearings
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