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Pressing bearing into cannondale bugger wheel, press on outer or inner race?

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Pressing bearing into cannondale bugger wheel, press on outer or inner race?

Old 10-06-15, 04:42 PM
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corrado33
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Pressing bearing into cannondale bugger wheel, press on outer or inner race?

I'm replacing the wheel bearings on my old cannondale bugger trailer. I've already removed them, but I have a question about pressing them back in.

The inner race of the bearing sticks out further than the outer race of this bearing, however I don't think that pressing the bearing in using the inner race would be a good idea. Should I make sure to use some sort of washer so that I press on the outer race of the bearing? I'm literally just using a piece of all thread and nuts to press these in.

Crap, should have put this in mechanics section.
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Old 10-06-15, 05:20 PM
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I'd say press the outer race in, assuming the inner race slips over the axle without Force.

Ideally they can Be pressed in simultaneously, but your shade tree shop

probably cannot make a press piece to contact both equally.. with a Lathe one could be Made.
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Old 10-06-15, 08:39 PM
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Can you find a socket that is the same diameter so that it sits on the outer race? Then tap the socket or if you need to be further away put an extension into the socket and tap that with a mallet. That's how we tap in bearings when working on cars (putting the bearing in the freezer first will help too).
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Old 10-07-15, 02:56 AM
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Moved from General Cycling to Mechanics with 3 day redirect.
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Old 10-07-15, 05:20 AM
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As mentioned above, find a socket that will press on only the outer race. Put the nut side of the socket on the race and thread your rod through the hole in the socket with a washer and bolt on the side that attaches to the socket wrench.
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Old 10-07-15, 08:34 AM
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Thanks for the advice all, didn't even think of using sockets. These bearings are flanged, so I'm not worried about pushing on them perfectly evenly. They'll flatten out once the flange touches.
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Old 03-26-18, 03:59 AM
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cannondale bugger bearing 35 mm x 1/2" x 11 mm

HI

i also own such a bike trailer. Sadly the bearings are worn out. I would like to know where to buy the bearings 35 mm x 1/2" x 11 mm with a 38 mm (diameter) "sleve".

I would be happy if you would let me know the place where to buy these, thank you.

Kindly yours

JF Dittmer, Berlin, Germany
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Old 03-26-18, 05:18 AM
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You will save yourself a lot of grief by putting the bearings in the freezer for a couple of hours before you install them. Try it, you'll be surprised - and the best part, it's free. Using a socket to push them in place works very well too - I don't know how tight the interference fit is.
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Old 03-26-18, 05:27 AM
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Originally Posted by frecx View Post
HI

i also own such a bike trailer. Sadly the bearings are worn out. I would like to know where to buy the bearings 35 mm x 1/2" x 11 mm with a 38 mm (diameter) "sleve".

I would be happy if you would let me know the place where to buy these, thank you.

Kindly yours

JF Dittmer, Berlin, Germany

Find a local bearing supplier and bring one of them in so they can match it up or get a number off of it.

https://www.europages.co.uk/companie...0supplier.html
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Old 03-26-18, 09:44 PM
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Originally Posted by dedhed View Post
Find a local bearing supplier and bring one of them in so they can match it up or get a number off of it.

https://www.europages.co.uk/companie...0supplier.html
I agree. I had one of those trailers many years ago and the bearings were nothing special. I think the same bearings were used on garden carts and similar devices.
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