# Theknurl hub bearing - MVAgusta.net
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Old 11-10-2012, 01:03 PM   #1
wa2fst
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Default Theknurl hub bearing

So i started replacing the bearing...very easy btw but as im looking at a sealed bearing on the wheel side and an un sealed bearing on the sprocket side..and on another post showing the sprocket side bearing being replaced with the same bearing. Im a little confused on which bearing is being replaced.

Anyone want to chime in? Noel is not near his skype at the moment.
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Old 11-10-2012, 02:48 PM   #2
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Al;
you're changing the sealed bearing on the wheel side, the one behind the stupid Seeger ring

when you remove the old bearing, grind the OD of the outer race about 0.008"/ 0.2mm.....then use it to press the new bearing in

if you don't grind the OD, it will stick in the hub
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Old 11-10-2012, 03:00 PM   #3
wa2fst
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I actually started pressing it in and it friigin went in crooked almost all the way in. So i had to hammer it out and actually popped the little black seal out in between the races...guess i need to buy a new bearing and use a vise instead of C clamp. Let me know the cost
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Old 11-10-2012, 05:14 PM   #4
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Use a workshop press if you can access one.Once you start straight, away you go.To help, you can also throw the bearing in the freezer for a couple of hours and slightly warm the hub,that will help.But mainly start straight that's the trick.Good luck.
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Last edited by mitchy : 11-10-2012 at 06:57 PM.
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Old 11-11-2012, 04:58 PM   #5
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Top class advice Mitch!.............you da man!
And another great tip from Noel also!
Brian.
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Old 11-11-2012, 06:55 PM   #6
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Thank you Brian,I appreciate the compliment,coming from a true craftsman.
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