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| Bearings crankshaft / SKF http://ducatipaso.org/forum/viewtopic.php?f=2&t=6517 |
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| Author: | duske [ Fri Jan 03, 2014 10:51 am ] |
| Post subject: | Bearings crankshaft / SKF |
Hi. I renovating my 906 engine with new crankshaft and bearings. Anyone that has the SKF numbers for the bearings or maybe a link to where i can buy them (cheap.....) Any hints regarding engine assembly is recieved with thanks. This is my first Ducati engine....  Ps. I have disassembled the engine and can see the the main crankshaft bearings are "well done". I think this has caused my rotor to split 2 times. |
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| Author: | duske [ Fri Jan 03, 2014 10:54 am ] |
| Post subject: | Re: Bearings crankshaft / SKF |
Ps. Split engine : https://www.dropbox.com/s/w32z5ch3iyhvl ... .32.05.jpg |
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| Author: | Duc906 [ Fri Jan 03, 2014 11:21 am ] |
| Post subject: | Re: Bearings crankshaft / SKF |
Hi duske, have a look here: viewtopic.php?f=2&t=4369 I compiled this list when I rebuilt my motor, it had NTN main bearings but the numbers should be the same. As sugested in that thread you should be able to get all these bearings through a local bearing supplier or google the bearing number and you should find what yor looking for. Good luck with you're engine rebuild. 
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| Author: | duske [ Fri Jan 03, 2014 12:15 pm ] |
| Post subject: | Re: Bearings crankshaft / SKF |
Thanks for your mail. I have seen the list and tried to find one of the bearings I needed from your list - like : 7307 X2TB (main bearing) but it is hard to find. Ebay doesn't give me any hit. I can find some hit but the price is &%¤¤#% It is me ? I was just thinking that the bearing must have another SKF number or ? |
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| Author: | Duc906 [ Fri Jan 03, 2014 12:43 pm ] |
| Post subject: | Re: Bearings crankshaft / SKF |
I found a few on eBay. Try this listing 160927490294, it's in Germany. |
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| Author: | Duc906 [ Fri Jan 03, 2014 12:57 pm ] |
| Post subject: | Re: Bearings crankshaft / SKF |
Here is another supplier a bit cheaper http://www.thebearingshop.com/H1.htm |
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| Author: | duske [ Fri Jan 03, 2014 1:09 pm ] |
| Post subject: | Re: Bearings crankshaft / SKF |
Yiarkkk - expensive. I should have bought a new bike instead... :-) |
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| Author: | Micpaso [ Sun Jan 05, 2014 6:10 pm ] |
| Post subject: | Re: Bearings crankshaft / SKF |
Hej duske  , you should try these guys they are very helpfull and normally fair prized http://danskkuglelejecenter.eu/. Where in Denmark are you from? I'am from 4070 Kirke Hyllinge Hilsen Michael |
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| Author: | jcslocum [ Mon Jan 06, 2014 4:50 am ] |
| Post subject: | Re: Bearings crankshaft / SKF |
Used on a lot of Duc engines. http://www.athenaparts.com/eng/sections ... ction:desc http://www.ducati.ms/forums/80-hall-wis ... rence.html |
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| Author: | duske [ Mon Jan 06, 2014 9:21 am ] |
| Post subject: | Re: Bearings crankshaft / SKF |
thanks for the links. I will try them out.... |
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| Author: | duske [ Sat Feb 15, 2014 7:29 pm ] |
| Post subject: | Re: Bearings crankshaft / SKF |
Hi. For info i found all the correct updated SKF number for the main bearings, and bought them at Simply Bearings. The list is : 2 x SKF 6305C3 Open Deep Groove Ball Bearing 25x62x17mm Option's £5.57 £11.14 1 x SKF 7207BEP Single Row Angular Contact Ball Bearing 35x72x17mm Option's £24.62 £24.62 1 x SKF 7307BEP Single Row Angular Contact Ball Bearing 35x80x21mm Option's £32.40 £32.40 |
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| Author: | paso750 [ Mon Feb 17, 2014 5:04 pm ] |
| Post subject: | Re: Bearings crankshaft / SKF |
There are topics on other Ducati forums about crankshaft bearings saying the ones used by Ducati were specially designed for them and that others like the ones from SKF didn`t have the identical design and wouldn`t withstand the forces the same way as the original ones. Some also reported about bearing failures when using others. |
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| Author: | jayh [ Tue Feb 18, 2014 6:54 am ] |
| Post subject: | Re: Bearings crankshaft / SKF |
The crankshaft bearings are not standard deep groove bearings.I think that they are called angular contact bearings from memory,but that is not important. What is important is that they require preload,the same as a tapered roller bearing requires preload. This is achieved with shims on the crankshaft AND the final thickness of your crankcase gasket will effect this measurement as well.Not to mention correctly pressing new bearings into place. Failure to do this operation correctly,will cause premature bearing failure.SKF bearings are a far less likely culprit. Reasearch this procedure and plan accordingly,you should be fine if you don't take short cuts.I know that it is a pain in the ass, repeatedly bolting and unbolting the crankcase,but this is the difference between a good and bad rebuild. J. |
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| Author: | Derek [ Tue Feb 18, 2014 10:26 am ] |
| Post subject: | Re: Bearings crankshaft / SKF |
2 posts from other forums that might be of interest; |
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