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Rear Bearings - How Tight Are They Meant To Be?


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#1 rodandtom

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Posted 16 June 2014 - 03:18 PM

Hi,

 

I'm trying to fit the rear hub with bearings fitted over the spindle on to the drum backplate. Is it meant to be slide on quote easily because I mine go on for about a couple of millimetres before feeling like they are solid. I don't want to force the thing on if its not right. The cause of the problem is that the hole in the centre of the bearing. They are timken bearings and are fully seated.

 

Any ideas?

 

Thanks,

 

Rod

 



#2 Vipernoir

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Posted 16 June 2014 - 04:12 PM

The tolerances are so tight that even a tiny bit of crud can stop the hub sliding on the spindle.

Clean the spindle with brake cleaner, check the inside of the bearings for fluff and try again.

 

Some are just tighter than others mind you, which is why in the old days you needed to use a hub puller to get them off.



#3 Stevie W

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Posted 16 June 2014 - 05:53 PM

As Vipernoir says above, check the shaft/spindle.

The bearings are a tight sliding fit on the shaft, for want of a better description.
Any nicks or dings on the shaft will stop the bearings/hub sliding on.

If you spot any, linish them off carefully with some very fine emery cloth, then clean with brake cleaner.

Cheers, Steve.




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