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 Post subject: Bearing Help
PostPosted: Thu May 28, 2009 6:03 pm 
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The final output drive bearing I have removed from my xl motor has 559197 stamped on it, size 85x45x19. I can't find one from a bearing supplier, I can get one with metal cage, not a polymer cage, does anyone know where I can get one, or do I have to go to a Harley/Buell dealer ?

:?

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 Post subject: Re: Bearing Help
PostPosted: Thu May 28, 2009 6:56 pm 
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6209.......steel cage is OK and I use 2RS with the inner seal removed.

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 Post subject: Re: Bearing Help
PostPosted: Thu May 28, 2009 7:15 pm 
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Maz wrote:
6209.......steel cage is OK and I use 2RS with the inner seal removed.


I went to a bearing supplier today, they seemed to think the steel cage wouldn't be ok, the polymer cage is quieter. Anyway they wanted the best part of £50 for the bearing.

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 Post subject: Re: Bearing Help
PostPosted: Thu May 28, 2009 7:35 pm 
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I don't know whether the OEM bearing is plastic or steel cage. But, I have seen plastic cages fail under the influence of additive pack chemicals used in some gear oils. I have no idea if the HD transmission oil would have this effect though. (I suspect not actually, as there is alternator windings in the same oil and the windings insulation would be effected most likely). Generally, I avoid plastic cage bearings but in some cases (and I do not know about this particular size of deep groove ball bearing without looking it up) the plastic cage bearings manage to squeeze in an extra ball/roller or two. This has a positive effect on bearing capacity, quite markedly so in fact. To be safe, I'd stick with Maz's recommendation, can't go wrong then.

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 Post subject: Re: Bearing Help
PostPosted: Thu May 28, 2009 7:55 pm 
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Mmmmm.......I had some 'expert' advice from my local Bearing Man earlier this week. I wanted a bearing for the gearbox of my Transit van. Despite the old bearing being a multi row caged ball bearing, the bloke behind the counter insisted I should replace it with a needle roller :roll: I eventually bought the correct (ball) bearing from a Ford dealer.

All I know is, not many people know more about Buell motors than Maz and not many people know more about bearing technology than 03 ;) I'd be inclined to take their advice.

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 Post subject: Re: Bearing Help
PostPosted: Thu May 28, 2009 8:11 pm 
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Adam wrote:
Mmmmm.......I had some 'expert' advice from my local Bearing Man earlier this week. I wanted a bearing for the gearbox of my Transit van. Despite the old bearing being a multi row caged ball bearing, the bloke behind the counter insisted I should replace it with a needle roller :roll: I eventually bought the correct (ball) bearing from a Ford dealer.

All I know is, not many people know more about Buell motors than Maz and not many people know more about bearing technology than 03 ;) I'd be inclined to take their advice.



The 'bloke' behind the counter never offered me 'expert' advice, he just said it's not like for like, and the polymer cage runs quieter.

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 Post subject: Re: Bearing Help
PostPosted: Thu May 28, 2009 11:43 pm 
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Adam wrote:
Mmmmm.......I had some 'expert' advice from my local Bearing Man earlier this week. I wanted a bearing for the gearbox of my Transit van. Despite the old bearing being a multi row caged ball bearing, the bloke behind the counter insisted I should replace it with a needle roller


Nothing to do with the school he went to?

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 Post subject: Re: Bearing Help
PostPosted: Fri May 29, 2009 6:44 am 
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03 wrote:
But, I have seen plastic cages fail under the influence of additive pack chemicals used in some gear oils


Some more information about that from SKF:
http://www.skf.com/portal/skf/home/prod ... ink=1_0_59
That mentioned table 18 lists some lubricants.

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 Post subject: Re: Bearing Help
PostPosted: Fri May 29, 2009 7:20 am 
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gunter wrote:
03 wrote:
But, I have seen plastic cages fail under the influence of additive pack chemicals used in some gear oils


Some more information about that from SKF:
http://www.skf.com/portal/skf/home/prod ... ink=1_0_59
That mentioned table 18 lists some lubricants.
Thank you, I'm aware of that information thanks. Most of the bearings you'll buy over the counter that have plastic cages commonly use Nylon 66 cages and I have seen these go brittle and crack at temperatures not much more than 50% of those quoted in the literature. However, my experience is mainly with industrial plant and often it runs 24x7 (~8000 hours a year) unlike a motorcycle where more than a 100 or 200 hours use in a year is fairly untypical (40mph average speed x 100 hours = 4000 miles). Obviously, this does have a major impact on the likelyhood of failure.

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 Post subject: Re: Bearing Help
PostPosted: Fri May 29, 2009 6:30 pm 
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ok, the wheel bearings you can get on ebay and online e.g. http://cgi.ebay.co.uk/6205-2RS-QUALITY- ... 7C294%3A50

can they really be that cheap and genuine ?

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 Post subject: Re: Bearing Help
PostPosted: Fri May 29, 2009 7:37 pm 
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I guess we need a definition of *quality*...

If you are going to buy any bearings, get one which is branded, SKF, FAG, NTN etc.

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 Post subject: Re: Bearing Help
PostPosted: Fri May 29, 2009 7:54 pm 
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pash wrote:
I guess we need a definition of *quality*...

If you are going to buy any bearings, get one which is branded, SKF, FAG, NTN etc.

thats the problem they are branded, but there are counterfeits out there, I have a SKF distributor near me, the price for the rear wheel bearings SKF and FAG £25 and £17, on ebay or online £2 for the 6205 :shock:

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 Post subject: Re: Bearing Help
PostPosted: Fri May 29, 2009 8:16 pm 
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BSL Brammer will give a 90% discount to me (and I would think any Tom, Dick and Harry), 6005s and 6006s work out less than a fiver... I realise yours is a different number.

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 Post subject: Re: Bearing Help
PostPosted: Fri May 29, 2009 8:29 pm 
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pash wrote:
BSL Brammer will give a 90% discount to me (and I would think any Tom, Dick and Harry), 6005s and 6006s work out less than a fiver... I realise yours is a different number.



those prices were with 50% and 60%. I guess I need to push for more discount.

Thanks Pash

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