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Mark Hogan
Joined: 27 Jan 2005
Posts: 92
Location: Australia, Queensland,
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 Posted: Sun May 27, 2012 2:50 am Post subject: Needle Roller Bearings |
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Hi all,
Is there anywhere in the States to purchase a needle roller bearing & cage that has 1mm x 7.8mm bearings to suit an RL Leopards crank shaft? Or just the bearings so I can try to home make a 'rough version'.
Reason I am asking is I normally run a 10T front on my RL Leopard with the factory supplied roller bearing BUT I am looking at running on a VERY short track that will require a 9T front to be competitive (9-89). IAME only make a 9T with a brass bush which I have seen wear out so fast it is not funny, even with enough lube that would eventually make the clutch slip.
I have found a 9T from another maker that can mate to the leopard clutch and that has enough wall thinkness to machine out to accept a bearing carrier, I now need to source a bearing......Any suggestions? Or even contact name and suggested cost??
Thanks in advance.
Regards,
Mark |
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Walt Gifford
Joined: 19 Jul 2002
Posts: 4298
Location: United States, South Jerrrsey,
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| Posted: Sun May 27, 2012 10:19 am Post subject: |
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A 9t 219 gear will be destroying itself and the chain pretty quick anyway. I would just go with the bushing and have lots of parts on hand day of.
This might help, http://www.mcmaster.com/#drawn-cup-roller-bearings/=hpvp2z
Gif 
_________________
FAA certified jet engine and aircraft technician
Nicholson Speedway class champion 2001
Yamaha KT100 Service Center
40 years karting experience |
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Jason Berry
Advertiser
Joined: 29 Dec 2001
Posts: 295
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