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Rear Bearing O Ring Cdu1173 Size


Best Answer Cooper Mac , 30 November 2020 - 08:53 AM

Just a quick update on this, I got some BS021 O rings, but they were too big!

 

Instead I got some BS020 and they were perfect - 1.78mm section, 21.95mm bore.

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#1 Cooper Mac

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Posted 20 November 2020 - 07:53 PM

Hi all!

I’m building up some replacement radius arms and have everything apart from the O rings to go on the stub axle between the backplate and the bearing!

The part number for them is CDU1173, but does anyone know the size of these O rings? I’m going to see if I can get them locally rather than putting in an order with MS etc just for 2 O rings!

#2 Spider

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Posted 22 November 2020 - 05:26 AM

BS 021  ;D 



#3 Cooper Mac

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Posted 22 November 2020 - 10:32 AM

Thanks MokeSpider!

That’ll make it much easier to find one!

#4 Cooper Mac

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Posted 30 November 2020 - 08:53 AM   Best Answer

Just a quick update on this, I got some BS021 O rings, but they were too big!

 

Instead I got some BS020 and they were perfect - 1.78mm section, 21.95mm bore.



#5 Spider

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Posted 30 November 2020 - 06:30 PM

Ah, OK mate. I took one to my Bearing supplier and the BS021 was apparently what he supplied, but they can be tricky items to measure. Sorry for the bum steer.



#6 Cooper Mac

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Posted 01 December 2020 - 08:40 AM

No problem Moke Spider, it narrowed down the guesswork! Thanks for helping out!






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