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Porsche 959 gearbox bearing question 7 months 2 weeks ago #58247

I stripped my 959 rear gearbox today to fit my new center diff set, only to find that the counter bevel gear is missing its thrust bearing which is called SB2 (2mm) in the manual .

Does anyone know what this bearing looks like or indeed where to get a replacement ??

The good news is that the car appears fully ball raced so not all bad news!!



Thanks Quattrokid,.

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Porsche 959 gearbox bearing question 7 months 2 weeks ago #58250

It is a similar flat bearing (thrust?) Than in ball diffs I think.

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Porsche 959 gearbox bearing question 7 months 2 weeks ago #58252

Possibly but it must be really very small ??

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Porsche 959 gearbox bearing question 7 months 2 weeks ago #58256

I did an error. On the counter bevel, If my mind is not too poor, this bearing has a tamtech size but I am not sure.

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Porsche 959 gearbox bearing question 7 months 2 weeks ago #58257

Hmm, thanks but i looked at a Tamtech manual and it shows no bearing......

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Porsche 959 gearbox bearing question 7 months 2 weeks ago #58258

Pretty sure it will be a 620 Ball Thrust bearing (Tamiya part # SP5016) if you want expensive or a 2x6x3 ball thrust bearing https://www.rcbearings.co.uk/index.php?route=product/product&path=161_54&product_id=441 if you want better value

:)

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Porsche 959 gearbox bearing question 7 months 2 weeks ago #58259

Jonny Retro wrote: Pretty sure it will be a 620 Ball Thrust bearing (Tamiya part # SP5016) if you want expensive or a 2x6x3 ball thrust bearing https://www.rcbearings.co.uk/index.php?route=product/product&path=161_54&product_id=441 if you want better value

:)


Looks correct or even these ? same maybe www.rcbearings....uct_id=446

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Porsche 959 gearbox bearing question 5 months 2 weeks ago #58891

is this right
the one in the pic is original one
but i think u can use Tamiya 49300/AO-5016 620 Ball Thrust Bearing (2 Pcs.) (DF03/FF03/TA05/TRF416)
one thing about them must be in the right way

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Porsche 959 gearbox bearing question 5 months 2 weeks ago #58892

pic
Attachments:

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Porsche 959 gearbox bearing question 5 months 2 weeks ago #58894

The bearings from RC bearings are correct , only difference is they are in 3 parts. Work perfectly.

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Last edit: by quattrokid.
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