Changing a front wheel bearing

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Re: Changing a front wheel bearing

by speedmachine » Mon Apr 10, 2023 3:26 pm

Nice write up, the atom 4 hubs are a giant leap forward😮

Re: Changing a front wheel bearing

by Cjg62 » Mon Apr 10, 2023 12:44 pm

A few more pics from the "operation"

As Kev said, the most difficult part was pressing out the wheel flange. There isn't a flat surface available that allows enough clearance.

For reference, the complete assembly consists of the upright itself which has the bearing pressed into it, the wheel flange is pressed into the bearing and the stub axle keeps it all together with a large nut.
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Pressing out the wheel flange.
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Pressing the old bearing out.
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New bearing in.
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Wheel flange back in.
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The stub axle then just slides back onto the splines and the nut goes on last. The nut needs a huge torque so this is easier done when the whole thing is back together and you have a willing accomplice to heave on the foot brake ......... :D

Re: Changing a front wheel bearing

by Spikey_head » Sun Apr 09, 2023 8:02 am

We did it yesterday. Many thanks to Chris for his help.

Here are the pics I took before my phone ran out of battery. They don't show too much, but the image of the hub in the hydraulic press is useful to show how much of a pain that step is. It's very difficult to support the hub in the press. Everything else is very straight forwards, apart from wrestling with the circlips that sit either side of the bearing, and which, like all circlips, are evil and determined to wriggle away from where you want them to go.
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Re: Changing a front wheel bearing

by Curves Junkie » Wed Mar 08, 2023 2:34 pm

Cjg62 wrote: ↑Wed Mar 08, 2023 8:25 am
Good point though! I've learned a lot from the forum.

I'll take a few pics and post them. Might help someone.
:tu: :-* :tu:

Re: Changing a front wheel bearing

by Cjg62 » Wed Mar 08, 2023 8:25 am

speedmachine wrote: ↑Wed Mar 08, 2023 6:54 am
Cjg62 wrote: ↑Tue Mar 07, 2023 11:13 pm Kev lives near me so I pm’d my phone number. I find it easier to talk than type!

Changing the bearing is quite straight forward if you have a decent hydraulic press, which I have.

Sorry it wasn’t more interesting? ;D
Haha, no worries, was just having a laugh
Good point though! I've learned a lot from the forum.

I'll take a few pics and post them. Might help someone.

:-\

Re: Changing a front wheel bearing

by speedmachine » Wed Mar 08, 2023 6:54 am

Cjg62 wrote: ↑Tue Mar 07, 2023 11:13 pm Kev lives near me so I pm’d my phone number. I find it easier to talk than type!

Changing the bearing is quite straight forward if you have a decent hydraulic press, which I have.

Sorry it wasn’t more interesting? ;D
Haha, no worries, was just having a laugh

Re: Changing a front wheel bearing

by Cjg62 » Tue Mar 07, 2023 11:13 pm

Kev lives near me so I pm’d my phone number. I find it easier to talk than type!

Changing the bearing is quite straight forward if you have a decent hydraulic press, which I have.

Sorry it wasn’t more interesting? ;D

Re: Changing a front wheel bearing

by Spikey_head » Tue Mar 07, 2023 7:07 pm

I've learned sufficient :)

Which perhaps isn't very helpful to others...

Re: Changing a front wheel bearing

by speedmachine » Tue Mar 07, 2023 6:54 pm

Nobody learned a thing🤪

Re: Changing a front wheel bearing

by Spikey_head » Tue Mar 07, 2023 6:57 am

PM replied to

Re: Changing a front wheel bearing

by Cjg62 » Mon Mar 06, 2023 11:38 pm

Pm sent.

Changing a front wheel bearing

by Spikey_head » Mon Mar 06, 2023 10:06 am

Anyone done it?

How difficult is it?

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