Neu bearings

[Shark413]

I was cleaning my brushless St-RR when I was checking the gear mesh I noticed there was some play in the rotor shaft, I could move the pinion up and down slightly. I was concerned so I removed the motor (Neu 1515/1Y) And sure enough there was some play in the bearing. I clamped the motor in a vise and hooked up a dial indicator (attached to the shaft) to try and get some kind of measurement. I think it has about .06" worth of play. Is this something to be concerned with? I purchased this motor new in March 2008. I also have a Neu 1512 in my buggy, and it has a little play as well but not near as much as the 1515. I have an e-mail out to Neu support asking about this, but I wanted to know if anyone on this forum has any comments or info to share.