Notices
Series I Tech Garage The place to discuss anything technical about the RX-8 that doesn't fit into any of the categories below.

Rebuilding: Should I replace these bearings or leave them? (pics)

Thread Tools
 
Rate Thread
 
Old Jan 25, 2016 | 10:54 PM
  #1  
ZiG's Avatar
ZiG
Thread Starter
05 GT
 
Joined: Oct 2012
Posts: 304
Likes: 0
Rebuilding: Should I replace these bearings or leave them? (pics)

Hey everyone, hoping to get some advice here. I was all set to replace the rotor and fixed gear bearings, but I found a bunch of people suggesting it's better to leave the stock bearings, including this racing beat article that says:

In general, do not replace rotor bearings when you are re-using rotors unless they are over the recommended clearance or show some damage from dirt, heat, or lack of oil. Our experience has shown that used bearings in good condition are safer than new, untried bearings.
Why is this? What is not safe about a new bearing? Not sure if this includes the fixed gear bearings?

Here are what mine look like.. What are your thoughts? I think both fixed gear bearings look toast, not sure about the rotor bearings... Any advice would be appreciated.

Name:  to3bxlMl.jpg
Views: 325
Size:  35.2 KB
https://i.imgur.com/to3bxlM.jpg

Name:  eL1d5Erl.jpg
Views: 290
Size:  44.9 KB
https://i.imgur.com/eL1d5Er.jpg

Name:  OL17rFml.jpg
Views: 284
Size:  37.2 KB
https://i.imgur.com/OL17rFm.jpg
(I know this is where the join is in the bearing, but it was as good a spot as any to photograph)
Reply
Old Jan 26, 2016 | 10:05 AM
  #2  
9krpmrx8's Avatar
SARX Legend
iTrader: (46)
 
Joined: Jan 2007
Posts: 33,788
Likes: 462
From: San Antonio, Texas
Always replace them.
Reply
Old Jan 26, 2016 | 09:58 PM
  #3  
ZiG's Avatar
ZiG
Thread Starter
05 GT
 
Joined: Oct 2012
Posts: 304
Likes: 0
Well, I have a nice set of Mitutoyo verniers but they don't seem to go deep enough into the rotors LOL. I didn't know there were different bearing sizes when I ordered my rebuild kit from Atkins, as I recall there was only one option. I just checked the new, loose bearing against the e-shaft and as long as it doesn't shrink a bunch once pressed in, the clearance is right in spec. Guess I'll go for it!
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
lolachampcar
Series I Engine Tuning Forum
133
Nov 3, 2021 03:31 PM



You have already rated this thread Rating: Thread Rating: 0 votes,  average.


All times are GMT -5. The time now is 05:13 PM.