126 mm JIS taper SKF bb assembly for 68 mm English bottom bracket; or equally good substitute

[Patrick Moore]

RH is out and so are the other vendors I checked.

Does anyone know a source?

Again, SKF, 126 mm, JIS.

If anyone has one to sell, I’m very interested.

If I can’t find one I’ll probably ask Phil to mail me a 126 mm spindle but I do want an SKF. At least 1 Phil out of a score has gone bad too quickly, and I don’t get more than 15K miles out of my other Phils, so I would prefer to try an SKF.

“Nother question: Is there another bb bearing assembly in 126 mm JIS that is anywhere near as good as SKFs are reputed to be? — Someone recently reported putting 20K miles on an SKF without any problems and it’s still going strong. That’s what I want. 

126 JIS = perfect; 127 mm works; 125 mm might work if laterally adjustable.

Thanks.

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Patrick Moore

Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum

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[Nick Payne]

IRD Defiant QB95 JIS comes in 127.5mm length: https://www.interlocracing.com/shop/ird-qb-95-bottom-bracket-4057.

Nick

[Garth]

FWIW, The only cartridge BB I has fail was a Tange LN-3922, made in Japan. So much for origins ......  Meanwhile the Shimano UN series just keeps on spinning and I can't say how many miles. But for the $15 I paid for them, that buys many of them in contrast to a high falootin' bottom bracket, which guarantee you nothing in durability terms. Phil bearings on their BB's can be user replaced though can't they ? Despite what they may claim. Also, where the bearings or races really corrupt, or did they simply need some cleaning and grease, popping off the seals yourself ? 

Any bearing assembly is a crap shoot. I'm still running the orignal bearing on a Specialized cartridge bearing hub from the mid 80's. I cleaned repacked it once. It's a superior design to purely exposed cartridges as it also has a metal shield over the bearings. But I know, we're talking BB's here. 

In summary, my premise is the inexpensive Shimano BB's get terrific mileage for the price. This was with the UN54/55/70 series, I can't speak to he newer 300 series.  No, one doesn'gt always get what one pays for ans everyone knows it. One "payz what theyz pays, so to speak, no guaranteez". 

[Patrick Moore]

Thanks, Nick and Garth. In fact, I learned that RH hopes to restock the SKF in 126 within a month or so, so I will hold out for that period.

Question: The SKF bb has cups with integral shoulders. I take it that this means that if you want to offset the spindle a couple of mm to the right (I think that the SKF is symmetrical) I will need 2 mm of spacers on the drive side?

[Harry Travis]

Less than $100, delivered.

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Harry P Travis

17.7

On Oct 15, 2024, at 9:11 AM, Patrick Moore <bert...@gmail.com> wrote:



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[Will Boericke]

Can buy 5 Tange 127mm bottom brackets for the price of one SKF....

Will

[Patrick Moore]

Harry: Thanks for this.

Possible advantage of 1 SKS over 5 Tanges? Not having to change it for the rest of my life.

[Will Boericke]

But will you own the bike for the rest of your life?  Honestly, I have 20-year-old Shimano BBs that I am just now replacing.  Would I pay 5x their price to get a 100 year BB?  No.

Will

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[Patrick Moore]

I do indeed plan to own the bike for the rest of my life, which rest is not that long since I am within a few months of 70. I’d much rather pay a few more $$ for a bb that I can install and forget than save a few $$. Remember, I have twice had to deal with creaks and clunks from a Stronglight (albeit with aftermarket cups) installed just a few hundred miles ago, and replaced a new Phil after fewer than 2K miles.

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