I'm getting pretty average life out of BB 6805 bearings even when using the supposedly more robust Enduro MAX's... gritty in a couple of months.
I'm not interested in the fluff surrounding the performance of ceramics.
I'm purely after reliability and longevity.
Will hybrid or full ceramic give me that?
Short BB bearing life - Try Ceramics?
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Re: Short BB bearing life - Try Ceramics?
Postby macca33 » Thu Aug 02, 2018 11:05 am
Ceramic bearings won't necessarily increase service life. When installing, try to smother the outer face with marine grease to provide a barrier to water/grit. I get well over a year out of $10 bearings and only generally change them during the annual 'major' service...
Cheers
Cheers
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Re: Short BB bearing life - Try Ceramics?
Postby MichaelB » Thu Aug 02, 2018 2:09 pm
I'm with macca33. The ceramics will end up with the same issues and cost more to boot.
I've usually gotten a couple of years out of mine, and I'm slack with maintenance.
Maybe look at those with better sealing ?
I've usually gotten a couple of years out of mine, and I'm slack with maintenance.
Maybe look at those with better sealing ?
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Re: Short BB bearing life - Try Ceramics?
Postby ValleyForge » Thu Aug 02, 2018 9:12 pm
I recently replaced the bearings on our Thule bike trailer. Several had seized up with dust ingress.
I rang around and a local heavy industry rep recommended getting SKF dust-seal bearings. They were about 20% more in cost, and not as fluid as the poorly-sealed Chinese ones, but seem the goods.
I rang around and a local heavy industry rep recommended getting SKF dust-seal bearings. They were about 20% more in cost, and not as fluid as the poorly-sealed Chinese ones, but seem the goods.
Ha ha ha! Cookies on dowels.
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Re: Short BB bearing life - Try Ceramics?
Postby Crawf » Fri Aug 03, 2018 11:53 am
Apparently the MAX bearings I used are not intended for BB's, they're for fork suspension.
That would explain my disappointment. So standard SS Enduro's have been recommended.
That would explain my disappointment. So standard SS Enduro's have been recommended.
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Re: Short BB bearing life - Try Ceramics?
Postby MichaelB » Fri Aug 03, 2018 1:34 pm
That would explain it. Prob main difference is in the sealing.Crawf wrote:Apparently the MAX bearings I used are not intended for BB's, they're for fork suspension.
That would explain my disappointment. So standard SS Enduro's have been recommended.
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Re: Short BB bearing life - Try Ceramics?
Postby jackthelad » Sat Aug 04, 2018 2:24 pm
why were you using them in first place?
were they put in by a shop?
were they put in by a shop?
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