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Old 06-15-2012, 09:28 PM   #1 (permalink)
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Bronze spindle bushing problems

I have a set of the bronze spindle bushings. I had to replace one that was making noise with a stock needle bearing. The bushing ended up sizing on the shaft and started to spin inside the spindle. I had to torch the bushing to get it to "expand" enough to drop off. I thought it was a fluke, I noticed that side was a little tight. Today I went to pull both shafts out to replace the inners and the joints, and discovered that the other side was also spinning inside the spindle.

I got another set, but I want to know what should the measurements be? How much difference should there be between the OD of the shaft and ID of the bushing? The bushings are not a slip fit they require to be "push" to get them on, and they are not easy to spin, but will spin without tools.

Has anyone else had problems with the bronze spindle bushings? What did you do?
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Old 06-15-2012, 10:39 PM   #2 (permalink)
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Ditch the bronze and get a set of Longfields UHMW bushings.
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Old 06-15-2012, 10:49 PM   #3 (permalink)
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My guess would be they are too loose in the spindle and too tight on the stubs. I could take some measurements tomorrow. Rockwells and Toy axles dont have problems. Do you have one of those Longfield spindle grease tools?
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Old 06-16-2012, 07:50 AM   #4 (permalink)
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Quote:
Originally Posted by Corey Young View Post
My guess would be they are too loose in the spindle and too tight on the stubs. I could take some measurements tomorrow. Rockwells and Toy axles dont have problems. Do you have one of those Longfield spindle grease tools?
No I do not. But I did grease it up real good. There was still grease in it when I got them out.

But like you said real tight. The new ones are from MadMac and the axles are USA Superiors. I'm going to install the CTM joints today and hopefully install everything else too. I was thinking of using some Green Loctite in the spindle.
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Old 06-16-2012, 09:44 AM   #5 (permalink)
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If it were me I would be inclined to knurl the outside and remove .002-.003 on the inside. Got access to a lathe?
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Old 06-16-2012, 10:05 AM   #6 (permalink)
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The new ones are 1.506 ID, the old ones were 1.500. The shaft is 1.500. I think I'll be okay. Green loctite will be the bushings friend.
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Old 06-17-2012, 06:11 AM   #7 (permalink)
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Use #641 green loc tite. It's a bearing retention compound. I'd also use copper anti sieze (the high temp stuff) on the id of the bushing.
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Old 06-17-2012, 09:13 AM   #8 (permalink)
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Well I put it all together, I used some red loctite. It went together well. I greased it up well. I will take it out next weekend and see what happens. I have some of that green bearing retaining compound on my desk at work but didn't have time to go and get it. And its not available everywhere.
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