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XRAY - Model racing cars :: View topic - T2R bearings
XRAY - Model racing cars
https://setup.teamxray.com/xsetup/legacy/

T2R bearings
https://setup.teamxray.com/xsetup/legacy/viewtopic.php?f=8&t=5433		 Page 1 of 1
Author:  Lance Mack [ Tue May 08, 2007 03:43:41 ]
Post subject:  T2R bearings
Having just purchased and built an XrayT2R, I went to my local club raceway to try it out. Apart from the rear diff being too loose the car felt good. Several small adjustments and I was ready to race. The car was a gun straight out of the box for the first 3 races placing me in second place for the finals. 2 laps into the first final my car was undrivable due to a collapsed bearing in the rear hub. On further inspection 3 other bearings were tight or seized. I was very disapointed that a new kit would have this type of problem. Is there a problem with the design of these bearings as I have been racing for over 25 years and have never had this happen before. :?
Author:  jaxgough [ Tue May 08, 2007 11:23:38 ]
Post subject: 
Author:  ianp [ Tue May 08, 2007 14:04:43 ]
Post subject: 
Author:  Lance Mack [ Wed May 09, 2007 04:22:46 ]
Post subject:  T2R bearings
Author:  Sam Mears [ Wed May 09, 2007 07:38:11 ]
Post subject: 
Author:  the_penfool [ Wed May 09, 2007 13:30:10 ]
Post subject: 
use a really thing knife to get the blue seals off
try not to bend them. though this is difficult
wash out the bearings throughly with some bearing blaster.
put a bit of really thing oil on the them (one maybe two drops)
then put the blue seal back on and gently press into place (they should sort of click into place)
Author:  teamgp [ Wed May 09, 2007 15:27:00 ]
Post subject: 
For more tips take a look at the '' post in the XRAY T1FK'05 FAQ thread.
Author:  Lance Mack [ Thu May 10, 2007 02:34:16 ]
Post subject:  T2R bearings
Thank you to all of the replys and help :D Here is what I have found.
Having removed the blue seals from the bearings that were not seized, I noticed that there were rubbing mark's on the inside of the seal:o. It looks to me that the seal is rubbing up against the cage of the ball carrier. I have checked all of the other bearings and found similar marks. This does not leave me full of confidence even with the lube :?
The rest of the car is fantastic but I feel that something should be done with the bearings to rectify this manufacturing problem. I have been racing RC cars both Off and On-road for over 20 years now and have never had a problem that is as wide spread as these bearings. the odd problem is to be expected but not all of the bearings. :?
Author:  teamgp [ Thu May 10, 2007 15:42:14 ]
Post subject:  Re: T2R bearings
Author:  Lance Mack [ Fri May 11, 2007 02:11:44 ]
Post subject:  t2r bearings
Author:  teamgp [ Fri May 11, 2007 03:44:10 ]
Post subject:  Re: t2r bearings
[quote="Lance Mack"]Has anyone thought of leaving the inside seal off of the bearing inside the wheel hubs :o[quote]

I've actually tried that, with the XRAY bearings, but didn't notice any difference in lap times.
Author:  Lance Mack [ Fri May 11, 2007 05:17:20 ]
Post subject:  t2r BEARINGS
Well I have followed all of the instructions and suggestions and reinstalled all the bearings. The car feels okay on the bench now to try it out on the track this weekend. I'll let you know if there were any improvements. :)
Author:  Lance Mack [ Mon May 21, 2007 06:50:02 ]
Post subject:  T2R bearings
Well the results are in on the latest raceday. After replacing the seized bearings with new ones that had been cleaned and oiled, I qualified the car in 3rd spot for the finals. :D The car went well but 2 more bearings felt gritty and were replaced before they failed during the heats. :(
In total 4 of the re-oiled bearings failed. Last of the finals car stopped 2 laps from the end of the race with a stripped spur gear. :x
Cause? You guessed it seized bearings. :evil:
I have now replacer all of the bearings with aftermarket ones. Raced the car for 3 more batteries , not one failure lap times exactly the same.
I will not be using the kit bearings in my car again. :lol:
Author:  binary [ Mon May 21, 2007 08:14:46 ]
Post subject:  Re: T2R bearings
Author:  Lance Mack [ Tue May 22, 2007 02:15:59 ]
Post subject:  T2R bearings
Author:  Lance Mack [ Sat Jul 14, 2007 02:45:55 ]
Post subject:  T2 bearings
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