Can anyone suggest a fan supplier (not with a motor, just the blades)?

I'm after a couple of small centrifugal fans, for blowing air. They are to replace some that I might be able to re-use but would prefer not to.
They fit on a 1/4" shaft and are about 20cm and 12cm diameter
respectively. The existing ones are very crude being just a set of flat blades rivetted onto a round plate which has a central collar that fixed onto the motor shaft.
Can anyone suggest a supplier of such things? I might even find some that are rather better made than the existing ones, I can't imagine anything much worse.
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Chris Green
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A little bit of research suggests that these fans are called "straight radial fans", but I haven't found a supplier.
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Chris Green
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wrote:

I wouldn't assume that every calls them that, particular in china and india.
There just be some on alibaba and most do samples.
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On 01/12/2019 16:28:44, Ray wrote:

Quite, on eBay "radial fan" gets less than 1,000 hits and "centrifugal fan" gets more than 112,00 hits.
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On 01/12/2019 17:05, Fredxx wrote:

That is not a centrifugal fan., its an axial fan

Try axial fan

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No it's not. An axial fan blows air along its axis, i.e. parallel to its drive shaft. This fan throws air out away from the shaft.
I agree it's not a conventional centrifugal fan but the air certainly moves centrifugally.

A search for axial fan just produces standard propellor type fans and they're definitely not what I'm after.
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Chris Green
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Does this help? <https://www.axair-fans.co.uk/all-technical-information/industrial-fan-types/
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Not really because *none* of those fans are like the ones I'm after. :-) or maybe :-(
I've found a picture of the type of fan I'm after on page 25 of this catalogue:-
www.remco.co.uk/my_content/my_images/catalogue/fanblades_catalogue.pdf
My fans are like the "circular aluminium fan" except that the disk that the blades are attached to on my fans is just a solid round disk.
The motor driving the fan just happens to be a Remco motor which is how I chanced upon the above.
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Chris Green
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... and a search for "motor cooling fans" turns up quite a few fans of this type, unfortunately all the ones I can see at the moment are in the USA. Maybe we have a different name for "motor cooling fans", any ideas anyone?
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Chris Green
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"radial blower fan", maybe?
Thomas Prufer
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You will find that they are normally made as units with motors intake and output etc. I cannot say I've seen many. They are normally slightly curved plates to make sure the air does in fact start to flow where its supposed to. Brian
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It's not like a 'normal' centrifugal fan. The inlet is 'axial' but the outlet is all round, not a duct. It sucks air up a flue and just discharges it to open air.
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There's (Or was) a fan specialist trading as fans and grilles in Hull or try Fans and Spares in Leeds.
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