Bearings



is it possible to use a seal bearing on a one piece crank?


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ianex33

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Sep 29, 2019
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is it possible to use sealed bearings on a single piece crank?
 

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Hi,
Some terminology first:
- all bearings where you can’t see straight into the balls and races are sealed bearings.
- what you have in the pic is a cartridge bearing. Many of these are sealed, but not all.

And no, you can’t use cartridge bearings on a one-piece/Ashtabula/Fauber crank.
The reason being, they’re ot designed for that. you wouldn’t be able to slide one over the bends in the crank. Nor would there be any way to secure the inner race to the crank.
 
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Hi,
Some terminology first:
- all bearings where you can’t see straight into the balls and races are sealed bearings.
- what you have in the pic is a cartridge bearing. Many of these are sealed, but not all.

And no, you can’t use cartridge bearings on a one-piece/Ashtabula/Fauber crank.
The reason being, they’re ot designed for that. you wouldn’t be able to slide one over the bends in the crank. Nor would there be any way to secure the inner race to the crank.
 
Sure, it's technically possible to use sealed bearings on a single-piece crank, but why would you want to? It's like putting a Ferrari engine in a minivan. Sure, it'll go fast, but it's a waste of a good engine and not practical at all. Sealed bearings are designed for high-performance, high-stress applications like hubs and bottom brackets, not for single-piece cranks. If you're looking to upgrade your crankset, I'd recommend looking into a proper crankset with a separate spindle and sealed bearings. It'll give you better performance, durability, and it's actually designed to work with sealed bearings. Don't be like the guy who puts a Ferrari engine in a minivan, be smart and get the right equipment for the job. ;)
 
While sealed bearings can be used on a single-piece crank, it's not a common practice. It might be more challenging to install and maintain, and there are better options for improving crank performance. Don't just follow the crowd; innovate! :think:
 
Sealed bearings on a single-piece crank may not be common due to installation and maintenance challenges. It's true that there are alternative options to improve crank performance. However, it's also important to consider the benefits of sealed bearings in terms of durability and protection against external elements. Innovation is valuable, but it's essential to weigh the tradeoffs. :thinking_face:
 
While sealed bearings on a single-piece crank may present installation and maintenance challenges, it's important to recognize the advantages they offer in terms of durability and protection against external elements. Although alternative options exist, such as improved crank performance, the benefits of sealed bearings shouldn't be overlooked. It's crucial to consider the tradeoffs between innovation and reliability. Perhaps exploring ways to mitigate the challenges associated with sealed bearings on single-piece cranks could lead to advancements in the cycling industry. It's an intriguing topic to delve into and discuss further. ‍♂️