Author Topic: LF O-rings  (Read 677 times)

Offline irengineer

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LF O-rings
« on: June 25, 2017, 06:49:28 PM »
I had a new lightweight idler wheel made for my Lenco based turntable.

I need an o-ring with an inside diameter of 56mm and 5mm cross section. Has to fit the ring below, anybody know where I can get one?



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Offline GECO

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Re: LF O-rings
« Reply #1 on: June 25, 2017, 07:40:18 PM »
Bearing man will help you

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Offline HBAutomation

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Re: LF O-rings
« Reply #2 on: June 25, 2017, 07:56:38 PM »
You can also get it on a reel and purchase by the metre. Than cut and super glue?
If done correctly it will be seamless.

Offline Hi-Phibian

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Re: LF O-rings
« Reply #3 on: June 25, 2017, 09:57:03 PM »
You can also get it on a reel and purchase by the metre. Than cut and super glue?
If done correctly it will be seamless.

I have had a few of those come round as rega belts.  Still to see the seamless one.  On an idler I think the beautiful wheel wasted with a joined tyre. 

As Geco says.  Bearing man or seal suppliers.   Neoprene or natural rubber? Which will sound the most swell. 
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Offline irengineer

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Re: LF O-rings
« Reply #4 on: June 25, 2017, 10:04:05 PM »
Thank you, will try Bearing Man. Suppose I'll buy a few compounds and listen. Currently running a stock plastic wheel and I can hear a faint rumble on my IsoKinetik/ZYX combo, but the Grace/Denon combo is quiet. Suspect the current wheel is not 100% perpendicular with the platter surface, running bit skew...?


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Offline vinyljan

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Re: LF O-rings
« Reply #5 on: June 26, 2017, 08:32:02 AM »
I had a new lightweight idler wheel made for my Lenco based turntable.

I need an o-ring....


Sorry for the hijack....can you have some more made? Price? With an o-ring of course  :whistler:
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Offline irengineer

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Re: LF O-rings
« Reply #6 on: June 26, 2017, 08:38:05 AM »
Dewald made this one for me. It is super light, as the first version was a bit heavy. You can see how thin everything was made. Let me get this one done with a belt/o-ring to see how it works first. I got a few PM's with suggestions for the o-rings, and also a few about how to make an o-ring using 5mm polyurethane belts from RS components. Maybe pop Ghostinthemachine a PM about the actual wheel? It will be a bit pricey as is literally took hours and hours of machining to get it thin like this.


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“Somebody was trying to tell me that CDs are better than vinyl because they don’t have any surface noise.  I said, “Listen, mate, life has surface noise.” 

John Peel ( the longest serving of the original BBC Radio1 DJs)