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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Novarossi HR 57 3D Rear bearing
09-14-2009 03:15 PM  11 years ago
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bigwolf1

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USA

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Novarossi HR 57 3D Rear bearing
Ok I had to tear apart my 57 for cleaning, (crashed). Anyway just wanted to let you guys know that it does have a larger rear bearing than the hyper 50.

Pretty nice on the inside. I've got about 2.5gals. through mine now and it's not completely broken in yet. You wont see in on the ring you'll have to look at sleeve around TDC maybe another gal. it might get fully seated. It makes GREAT POWER now.

Os hyper 50 15x28x7

Nova 57 16x30.5x6.70
MAH blade Rep
Trex700LE
Magnum fuels
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09-14-2009 05:48 PM  11 years ago
Andy from Sandy

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UK

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Nova 57 16x30.5x6.70
Wait until you have to replace it. I think it is a special size so will cost a fair bit more than a 6902.

http://www.fast-lad.co.uk/store/nr1...ing-p-7774.html

This has been mentioned before that there is a standard bearing that is 16x30x7.
http://www.bocabearings.com/main1.a...&n=OS160_TH9/C3
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09-14-2009 05:57 PM  11 years ago
bigwolf1

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I think it will be a long lived bearing. they are $28 USD from GRandrc they have them in stock.MAH blade Rep
Trex700LE
Magnum fuels
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09-14-2009 10:11 PM  11 years ago
GMPheli

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W. Bridgewater, MA USA

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Well blow me down! I have said all along that a bigger bearing is needed. Lots of people came back and said there is no room for a bigger bearing. I even posted pics that show there is room. Here is a pic of a Hyper

The bearing could easily be bigger and fit.

Glad someone finally did it!!!!!
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09-15-2009 02:26 AM  11 years ago
Gearhead

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Vt

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I myself would rather has a quality SKF bearing than a larger unmarked bearing,, I mean there must be a reason why OS went with a SKF in their new 55..Jim
Buzz Buzz Buzz
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09-15-2009 06:55 AM  11 years ago
bigwolf1

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USA

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Its not unmarked its marked Novarossi laser engraved
Pat. 16.00x 30.5x 7/6.7
MAH blade Rep
Trex700LE
Magnum fuels
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09-15-2009 08:49 AM  11 years ago
ININVERNO

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San Leandro - Ca - USA / Mandello del Lario - IT

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Novarossi bearing are design and manufactured inside Novarossi, like all other engine important component…
The dimension, the tolerance and the material are different of the normal stock bearing. That normally are designed for general mechanics proposes.
The Novarossi bearing are design to run with nitro, oil, vibrations, temperature and dust….

Very soon will available a ceramic bearing option for who like the tuning.
Luca Invernizzi - ininverno@yahoo.com
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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Novarossi HR 57 3D Rear bearing
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