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IIRC...the Denon lit on the DP-62L says the same thing about its main bearing...

Posted by EdAInWestOC (A) on August 31, 2015 at 23:57:22

In Reply to: Bearing service??? posted by Lew on August 31, 2015 at 13:11:41:

But I believe you are spot on about the 30 years thing. I doubt that they projected over 30 years use into their statement.

My main bearing was upgraded by Applied Fidelity (very highly recommended) to a ceramic/jeweled bearing and its a better table after that upgrade.

The upgrade was not done because I just wanted an upgrade. There was a worn spot on the thrust pad in the 62L's bearing and the table started making a thump-thump noise at 33RPM. This was a low level noise and eventually made its way onto recorded material from the table...so it had to be repaired.

My 62L was very well cared for. Baby-ed would be a best term to describe its care but it made ne difference.

When I first opened up the 62L's bearing it was pretty dry and you could see why it started to wear. There was a dimple worn into the thrust pad visible to the eye (even my poor eye sight could see it without any strain).

I first tried to re-lube the bearing but it was past anything like that. It had to be replaced.

Tubsey (at Applied) was great to work with. He definitely cares about the work done to your bearing and this is not just a place where you get some thrust pad and ball. The materials chosen for my main bearing were tested for a variety of parameters before they were arrived at as a recommended replacement.

The Denon main bearing is definitely a quality item but, like I stated above, your statement about 30 years is probably as far as Denon could imagine for a product's use.

The DP-80 is pretty close to the best table Denon ever made and, if Tubsey is available, I'm sure he would be interested in its main bearing.

The audibility of a worn main bearing is an interesting subject. It is sort of like the boiling frog story. I doubt anyone thinks that their vintage main bearing has any issues. Most main bearings that get 30 years of regular use would need replacement at this point.

I don't care what the manufacturer states about a "lifetime bearing". I think that is a bit absurd when you have over 30 years of constant use on any man made mechanical bearing. After that kind of use I am certain it needs attention.

The last time I spoke to Tubsey (owns Applied Fidelity) he was pretty busy but it would be worth a try to contact him about a main bearing job to the DP-80. If you want more info about my experience with the bearin job, please contact me via my email.

Ed




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