Cruze should be using rotor bearing for the water pump, has to, because the tensioner force on that serpentine belt is in the range of 100-125 ft-lbs of torque.
Some history, use to have to file an IFR flight plan to fly over Gary, IN, smoke from the foundries was thick, even in clear weather. But the quality of US steel was great. Nothing but a flat field today, all has been exported. Japan, and Canada, bearings were okay. EPA's idea of cleaning up the emissions was simply to move these emission creating plants outside of the US borders without making attempts to correct the problem.
China needs to import scrape steel, this all started in the early 90's with major complaints against Chinese bearing, no telling what you are getting. Use to have to pay a wrecking yard to take your old vehicle, now worth 300 bucks. And like other bearings in the belt drive train, these are also limited lubricated bearings in the water pump.
Water pump castings use to be cast iron and had a core value, with aluminum, at last count, was over 400 different alloys, aircraft grade was the best, others lower grades can corrode like crazy, really not seeing core value on these pumps. Another throway item.
So if you are wondering why we are having problems, there are reasons. I like to replace bearings with Made in the US, getting very difficult to find, and cost a lot more. But least I know, they will last.
Can only question the economics on this issue, adding just a few cents in production can prevent problems like this. Seems like saving a few cents on a water pump is going to cost GM a fortune. Also keep a close eye on engine temperature, if it rises, can get a cracked aluminum head. Wonder if this is also covered under warranty if caused by a faulty water pump.