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Ball Bearing 140mm Fans

post #1 of 4
Thread Starter 
Hey OCN,

What are some quality Ball Bearing 140mm fans ? I will mount 2 140mm fans horizontally on the radiator at the top of my case and i want to get ball bearing fans.

Noctua and Cougar fans are sleeve bearing unfortunately.

Looking for something that can run at sub-1000 rpm,no LEDs.Doesn't matter if its PWM or 3-pin.

Any suggestions ?
Edited by ThisHertz - 4/1/14 at 3:53am
post #2 of 4
Bgears B-blaster are ball bearing and good rad fans. 1800 rpm though and I don't know how well they undervolt.

I thought Noctuas and Cougars had FDB bearings (or some variant) which are fine for horizontal usage. I haven't tried one though and I know what a pain bad fans mounted horizontally are tongue.gif
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post #3 of 4
Thread Starter 
FDB is sleeve bearing with grooves.It is still fluid lubricated smile.gif

I did some research and it seems Cougar fans are famous for ticking/rattling when mounted horizontally.Noctua's seem fine.

I also found this list on 140mm fans.
http://www.silentpcreview.com/forums/viewtopic.php?f=9&t=57452&start=30

Gonna get a BGears B-Blaster and see how well it undervolts.Should have just gotten a 240 rad and use GT 13 or 14s mad.gif
post #4 of 4
Quote:
Originally Posted by ThisHertz View Post

FDB is sleeve bearing with grooves.It is still fluid lubricated smile.gif

I did some research and it seems Cougar fans are famous for ticking/rattling when mounted horizontally.Noctua's seem fine.

I also found this list on 140mm fans.
http://www.silentpcreview.com/forums/viewtopic.php?f=9&t=57452&start=30

Gonna get a BGears B-Blaster and see how well it undervolts.Should have just gotten a 240 rad and use GT 13 or 14s mad.gif

Well, I currently have F14's which are marketed as FDB but are a cheap sleeve bearing. They are not as dreadful as the Phobyas I had before but they can make a few annoying rumbling noises at certain voltages. They are pretty quiet at the lowest setting though (I think that's 4.5 V on my NZXT sentry mesh fan controller). There's a PWM variety as well. Only recommended if you can get them cheap (I paid € 7 each for mine, PWM version was € 8), then they are one of the better cheap fans IMHO.

You are right that FDB is very much like a sleeve bearing but it is definitely more advanced.
There's a very interesting article about the whole HDB/FDB thing here: http://www.hardwaresecrets.com/printpage/The-Truth-About-Fluid-Dynamic-Bearing-FDB-Fans/1807 . Definitely worth a read if you're about to buy fans.

The fans I currently have in my wishlist for my top rad are the Aerocool Dead Silence fans. I'm still waiting for some more opinions and reviews before buying them so I don't know how well they do horizontally. But they are definitely silent. Static pressure isn't amazing but it isn't bad either (at least enough for my Alphacool UT60 which has a low fin count ).

EDIT: I understand it's a bit of a PITA to find proper 140 mm fans but they are coming out slowly TBH. The GT's are just too damn good, that's the biggest problem biggrin.gif
Edited by Bloitz - 4/2/14 at 8:35am
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