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tech / rec.aviation.soaring / Cobra "Jockey Wheel" Bearing Needed

SubjectAuthor
* Cobra "Jockey Wheel" Bearing NeededJohn DeRosa OHM Ω http://aviation.derosaweb.net
+- Re: Cobra "Jockey Wheel" Bearing NeededDan Daly
`* Re: Cobra "Jockey Wheel" Bearing Needed2G
 `* Re: Cobra "Jockey Wheel" Bearing NeededGuy Acheson
  `- Re: Cobra "Jockey Wheel" Bearing Needed2G

1
Cobra "Jockey Wheel" Bearing Needed

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Subject: Cobra "Jockey Wheel" Bearing Needed
From: jhder...@gmail.com (John DeRosa OHM Ω http://aviation.derosaweb.net)
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 by: John DeRosa OHM Ω - Wed, 13 Apr 2022 21:32 UTC

I have a 2002 Cobra trailer which has Al-KO components. The handle on the nose support screw jack (sometimes called a Jockey Wheel) is becoming more difficult to rotate.

I took the jack apart to clean and re-grease it and found that the thrust bearing is broken which is located inside the top of the exterior tube nearest to the handle. You can find an image of my bearing at;

http://aviation.derosaweb.net/dropbox/bearing.JPG

I am having a heck of a time finding a replacement bearing. I bought a likely candidate from McMaster-Carr but it just isn't quite right (the ID and OD are good but the bearings themselves are bigger).

Anyone know the standard bearing part number for this part?

Thanks.

John (OHM Ω)

http://aviation.derosaweb.net/dropbox/bearing.JPG

Re: Cobra "Jockey Wheel" Bearing Needed

<acb57f59-64f4-4948-b936-1486eb583a1dn@googlegroups.com>

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Subject: Re: Cobra "Jockey Wheel" Bearing Needed
From: dan_the_...@hotmail.com (Dan Daly)
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 by: Dan Daly - Wed, 13 Apr 2022 23:16 UTC

On Wednesday, April 13, 2022 at 5:32:20 PM UTC-4, John DeRosa OHM Ω http://aviation.derosaweb.net wrote:
> I have a 2002 Cobra trailer which has Al-KO components. The handle on the nose support screw jack (sometimes called a Jockey Wheel) is becoming more difficult to rotate.
>
> I took the jack apart to clean and re-grease it and found that the thrust bearing is broken which is located inside the top of the exterior tube nearest to the handle. You can find an image of my bearing at;
>
> http://aviation.derosaweb.net/dropbox/bearing.JPG
>
> I am having a heck of a time finding a replacement bearing. I bought a likely candidate from McMaster-Carr but it just isn't quite right (the ID and OD are good but the bearings themselves are bigger).
>
> Anyone know the standard bearing part number for this part?
>
> Thanks.
>
> John (OHM Ω)
>
>
>
>
>
>
>
> http://aviation.derosaweb.net/dropbox/bearing.JPG

If ID, OD, and depth are 15x32x12mm, might be this one (Part # on the page 629602SP) - looks similar:
https://trailersparesdirect.com.au/products/jockey-wheel-shaft-premium-thrust-ball-bearing-1
Dan

Re: Cobra "Jockey Wheel" Bearing Needed

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Subject: Re: Cobra "Jockey Wheel" Bearing Needed
From: soar2mor...@yahoo.com (2G)
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 by: 2G - Wed, 13 Apr 2022 23:17 UTC

On Wednesday, April 13, 2022 at 2:32:20 PM UTC-7, John DeRosa OHM Ω http://aviation.derosaweb.net wrote:
> I have a 2002 Cobra trailer which has Al-KO components. The handle on the nose support screw jack (sometimes called a Jockey Wheel) is becoming more difficult to rotate.
>
> I took the jack apart to clean and re-grease it and found that the thrust bearing is broken which is located inside the top of the exterior tube nearest to the handle. You can find an image of my bearing at;
>
> http://aviation.derosaweb.net/dropbox/bearing.JPG
>
> I am having a heck of a time finding a replacement bearing. I bought a likely candidate from McMaster-Carr but it just isn't quite right (the ID and OD are good but the bearings themselves are bigger).
>
> Anyone know the standard bearing part number for this part?
>
> Thanks.
>
> John (OHM Ω)
>
>
>
>
>
>
>
> http://aviation.derosaweb.net/dropbox/bearing.JPG

Email Cobra with that question. They promptly reply to such inquiries.

Tom

Re: Cobra "Jockey Wheel" Bearing Needed

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Subject: Re: Cobra "Jockey Wheel" Bearing Needed
From: drguyach...@gmail.com (Guy Acheson)
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 by: Guy Acheson - Thu, 14 Apr 2022 15:05 UTC

Williams Soaring is a Cobra dealer and has many parts on hand.
WilliamsSoaring.com

Re: Cobra "Jockey Wheel" Bearing Needed

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Subject: Re: Cobra "Jockey Wheel" Bearing Needed
From: soar2mor...@yahoo.com (2G)
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 by: 2G - Fri, 15 Apr 2022 01:36 UTC

On Thursday, April 14, 2022 at 8:05:50 AM UTC-7, Guy Acheson wrote:
> Williams Soaring is a Cobra dealer and has many parts on hand.
> WilliamsSoaring.com

They used to be; now I think it is Wings & Wheels.

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