Bearings for AW and similar hubs?
10-09-23, 09:13 AM
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Bearings for AW and similar hubs?
I'm rebuilding an FM and I may also do some other SA's I have. I've been looking for the SA replacementt wheel bearings: caged, 10 balls, ¼", grade 25? Seems like just a few months ago I was seeing them on ebay and elsewhere, and now, nothing!
With Sturmey-Archer hubs is there any problem using loose balls, with no cages? I know this works for BBs, headsets, and "racier" vintage hubs.
With Sturmey-Archer hubs is there any problem using loose balls, with no cages? I know this works for BBs, headsets, and "racier" vintage hubs.
10-09-23, 12:30 PM
#2
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I'm rebuilding an FM and I may also do some other SA's I have. I've been looking for the SA replacementt wheel bearings: caged, 10 balls, ¼", grade 25? Seems like just a few months ago I was seeing them on ebay and elsewhere, and now, nothing!
With Sturmey-Archer hubs is there any problem using loose balls, with no cages? I know this works for BBs, headsets, and "racier" vintage hubs.
With Sturmey-Archer hubs is there any problem using loose balls, with no cages? I know this works for BBs, headsets, and "racier" vintage hubs.
10-09-23, 04:00 PM
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I have one FW that has somewhat rough races so I used loose balls (10 vs caged 8) in that one to increase the count and hopefully make it a little smoother. Feels okay. I have another FW that I used caged bearings I got from a seller on eBay, Benzo One out of Canada. He titles them as SA dyno hub bearings but they're 8X 1/4 in cages and fit fine in the FW. That was from a set I bought a couple years ago so I'm not sure about the current batch but I can't see it would be any different. An option if you want to go down that road.
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10-09-23, 04:49 PM
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If you really need caged bearings, I may have one or two. They are used though.
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10-10-23, 02:42 AM
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There should be schematics online, showing the parts numbers for many of the Sturmey Archer models. With the exception of a few parts you should be able to find brand new caged bearing.
10-10-23, 06:25 AM
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Yes, I actually have the schematics, with part numbers. But when I google "Sturmey Archer Bearings" or many such namings, I get a lot of modular bearings. But loose balls are available out there and not problematic, so that will be the plan. So far I have not taken down teh hub, so I haven't inpeted the races, yet.
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10-10-23, 08:17 AM
#7
Count Orlok Member
I looked up the FM, and it uses K67Z, 8 1/4" caged bearings:
That's also what an AW used: https://www.sturmey-archerheritage.com/images/photos/pic-47.1.jpg
The newer AW number is HSA 284:https://www.sheldonbrown.com/sutherland/CB-IGH-4-aw.pdf]
HSA 284 is readily available, though it's 7 1/4" bearings in a cage. I think I'd give them a try.
That's also what an AW used: https://www.sturmey-archerheritage.com/images/photos/pic-47.1.jpg
The newer AW number is HSA 284:https://www.sheldonbrown.com/sutherland/CB-IGH-4-aw.pdf]
HSA 284 is readily available, though it's 7 1/4" bearings in a cage. I think I'd give them a try.
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10-11-23, 12:41 PM
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I'm giving loose balls a try. But thanks!
