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Ducati 851 - (1985-1991) 851, 851 Strada, 851 Tri-Colore

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Old 10 Sep 08, 06:59 PM   #1 (permalink)
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bearing reference number

aye up all ,
has anyone got the bearing part number for the mains ? i,ve been offered some RHP bearings .

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Old 11 Sep 08, 08:29 AM   #2 (permalink)
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Not to hand, but a word of warning. Make sure you match them exactly. Get the originals in your hand, and take the numbers. They are angular thrust bearings and the same bearing is available with 3 different angles on the races.
I had a customer supply their own bearings which they got "cheap" and after checking the details they were not the exact same as Ducati OE. Turns out they were rated at 6 or 7 thousand rpm. It's down to one letter in the bearing number which denotes the contact angle of the bearing. Neither of the other 2 bearings are rated at anywhere close to what the motor can spin up to.
I followed up with a quote for the correct ones from my bearing supplier and they were about £200 the pair. Double what Ducati wanted......
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