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12-05-2022, 09:23 AM | #1 |
Rock Stacker Join Date: Nov 2022 Location: Norway
Posts: 86
| Bearing retension in Aluminium parts.
Right, so, do any of you guys glue the bearings in place in aluminum parts ? I notice that both the pinion and portal hubs have a lot of play in them, length wise.. I have concluded it's due to the bearings not staying put, they can move, and in the case of the pinion, by a lot... A somewhat ok solution has been to shim them all, but I don't know if that's a good permanent fix. In stead, I think perhaps I should secure the bearings in place. I was thinking of using either superglue or locktite 601 bearing retaining compound. |
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12-05-2022, 11:24 AM | #2 |
Rock Crawler Join Date: Jan 2022 Location: st louis
Posts: 574
| Re: Bearing retension in Aluminium parts.
Bearings shouldn't be moving, that becomes a quality issue with the aluminum housings. Bearings should fit fairly tight. What brand aluminum housings are you using? I ask because you get what you pay for and more budget friendly "brands" tend to have pretty poor tolerances. I would be cautious of using anything to tighten up their fitment in the housings because it if gets anywhere into any moving part there's going to be problems. Other issue is when said Bearings go bad, you may not be able to change them and be forced to replace the housings. Sent from my SM-S906U using Tapatalk |
12-05-2022, 11:33 AM | #3 |
RCC Addict Join Date: Nov 2017 Location: Austin Texas
Posts: 1,615
| Re: Bearing retension in Aluminium parts.
100% agree with all mentioned above by tigris99. Poor quality machined alum parts will often have loose tolerances. The manufacturer is trying to accommodate any and every bearing out there and so they err on the side of caution and go bigger rather than smaller. Also these manufacturers tend to not have great quality control so there can be tolerance issues in that regard too. Don't use any kind of glue to secure the bearings. Also aligning with what tigris said... You get what you pay for. |
12-05-2022, 12:34 PM | #4 |
I wanna be Dave Join Date: Jun 2017 Location: Humboldt county
Posts: 4,482
| Re: Bearing retension in Aluminium parts.
I dont think I'd want to use Loctite bearing fit/retainer glue on such small bearings. I can imagine removing these bearings would be a huge pain if not impossible. I'd be more comfortable trying to use some teflon tape to wrap the bearing before inserting it. Last edited by HumboldtEF; 12-05-2022 at 12:36 PM. |
12-05-2022, 01:00 PM | #5 | |
Rock Stacker Join Date: Nov 2022 Location: Norway
Posts: 86
| Re: Bearing retension in Aluminium parts. Quote:
That's not a bad idea. Bearing retaining compound can be removed easily with a bit of heat (a few seconds with a torch). And If I'm replacing the bearings anyway, they won't mind. Needs to get over about 250c, and that's actually not that warm when we're talking localized heating aluminum. Another thing I could do is to knock tiny scoars into the walls for the bearings. Let me check what axles I bought. https://www.ebay.com/itm/265074664188 I've had them for about two years, they've worked fine up to now, everything else was a good fit. no slop to speak of elsewhere Last edited by SleptOver; 12-05-2022 at 01:05 PM. | |
12-05-2022, 01:19 PM | #6 |
I wanna be Dave Join Date: Jan 2016 Location: california under the rock im crawling on
Posts: 4,289
| Re: Bearing retension in Aluminium parts.
paint the bearing pocket ive noticed that can be the difference between fiting and not fitting usually im removing paint but i assume it would work in reverse too
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