Bike Forums - Sealed Bearings

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- Classic & Vintage (https://www.bikeforums.net/classic-vintage/)

- - Sealed Bearings (https://www.bikeforums.net/classic-vintage/1268765-sealed-bearings.html)

Bruce27

03-13-23 07:09 PM

I had brinelling on a headset. Switched to loose vs caged bearings. Can't remember how many bearings it added but it altered the spacing enough to rid (for the most part) my indexing issues.

unworthy1

03-13-23 07:38 PM

Quote:

Originally Posted by gaucho777 (Post 22828376)

[MENTION=17926]unworthy1[/MENTION] The tool is an after-market item. I purchased it from forum member [MENTION=20876]hazetguy[/MENTION] along with some hubs. I don't know too much about it, other than it works like a charm. Next time your hubs need a service, you're welcome to borrow it if you want to cover shipping or take a trip across the bay.

Thanks in advance! :thumb:
I may take you up on the offer if/when I come across another hub that I have to get the bearing out of...but luckily most of these keep on spinning like silk.
I had one that was crusty with corrosion and after breaking the dinky 2-pin tools (twice) I gave up on that one!

Trakhak

03-13-23 07:58 PM

Quote:

Originally Posted by gaucho777 (Post 22827795)

I have a Shimano 600 sealed bearing headset on my Merlin. The rest of the bike is DA7400 series, but the 600 headset, which came with the bike, looks nice and works so well I didn't see the point in changing it.

As for other period correct sealed bearing items I have on some bikes. the Mavic 500 series hubs, introduced in 1975. (Chef's kiss!) :love:
https://velobase.com/ViewComponent.a...3-548b73a3d85b

Also a fan of the Bullseye pulleys, introduced in '73.

Hi-E made some neat sealed bearing hubs, though not particularly robust.

O.M.A.S. "big sliding" bottom brackets with Ti spindles if you want to drop some grams.

We sold a few sets of Phil hubs in our shop and then dropped them in favor of the Bullseye hubs, which had the advantage that the sealed bearings could be swapped out in just a few minutes using one Allen wrench.

Chombi1

03-14-23 11:58 AM

Quote:

Originally Posted by oneclick (Post 22826651)

You want a Stronglight A9.

Yes, but the newer A9s with cartridge bearings do not use needle bearings.....just plain Ole sealed cartridge bearings with ball bearings in them. Which I suspect will not last as long as the original A9s.The one on my 84 Peugeot PSV is still going strong, nice and smooth.....

Classtime

03-14-23 12:56 PM

I don't like the "slop" that is built into some (most?) sealed bearing components. I prefer to perfectly adjust cup and cones.

Rkopec

03-14-23 02:31 PM

Quote:

Originally Posted by oneclick (Post 22826651)

you want a stronglight a9.

tiger1964

03-14-23 02:48 PM

Having 'upgraded' some components on my bikes to sealed (VO headsets and BB's, for starters), I'd like to continue the trend. Someone here on C&V BF mentioned in a post perhaps a year or two ago that he had seen Campagnolo Nuovo Tipo hubs updated to sealed bearings -- if there's a how-to on that, I'd be interested. Record hubs, for that matter! Overall, there are likely plenty of hubs, pedals, etc. where the component is fine but the bearings could use replacement with something better.

zukahn1

03-14-23 07:27 PM

Quote:

Originally Posted by Bad Lag (Post 22827199)

P.S. - Thanks for the A9, Chris King recommendations. I do need a new headset. I have to work out the stack height before I buy.

The A9 will alloy you to add few mm of spacers to adjust stack height.

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