Correct belt size for Thorens TD 125 MK II


I need to purchase a new belt for my TD 125 MK II. It's in a repair shop right now, so I can't look at my old belt - it may have stretched, in any case, so I don't know if I could trust the measurement.

There are a few on-line sources for this, and most don't mention size, but two websites do, and they don't "agree" on size. Here are the two sizes I see:

20.0
21.2

So, just as having two clocks makes it harder to know the exact time, I find myself wondering how to be sure I will get the right belt. One of these retailers has it wrong.

I could try asking all the retailers, but I hope someone here can help me first. I looked trough the manual and service manual pages that I got off the Internet, but there is no mention of belt size there.

Hope someone can help!

-gritingrooves
gritingrooves
My well used belts measure in the 21.3"-21.4" range.

Try new flat belts (.2" wide X .025" thick) in the 20.0" 20.7" range.
Dekay,

Thanks for your feedback. I assume you mean 2 cm wide. ;-)

You said your belt is "well used", and bigger than the larger size I mentioned, but close. I'm new to this issue, so I don't really know how fast these belts wear out, and how they affect speed.

I'm getting the pulley replaced on my table because its wobbliness has caused speed variations. The belt could have an affect on this, but I'm not sure how much the size variation indicated by the sellers would affect speed.
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