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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › OS 50 Rear Bearing Replacement Question
10-14-2011 02:03 PM  6 years agoPost 1
newlandb

rrApprentice

Decatur, Illinois - United States

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When replacing the rear bearing which way should the bearing retainer face,foward or facing the back plate, or does it make any difference. Did not pay attention when I removed it. Thanks.

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10-14-2011 02:11 PM  6 years agoPost 2
Frank Bostwick

rrElite Veteran

Cincinnati Ohio

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The interior bearing needs no shields at all. The front bearing needs them on the outside. Some people keep the shield on both sides of the outside bearing to reduce fuel escaping. Almost always the rear bearing that fails.

RIP ROMAN

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10-14-2011 02:23 PM  6 years agoPost 3
Thumpernator

rrKey Veteran

Senoia, Georgia, USA

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It doesn't matter which side the retainer is on.

Dave
I keep on thinking, but nothing's happening. Knuk, Knuk, Knuk

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10-14-2011 03:40 PM  6 years agoPost 4
newlandb

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Decatur, Illinois - United States

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Thanks Thumpernator, just wanted to make sure.

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10-15-2011 12:15 AM  6 years agoPost 5
wifeorheli

rrElite Veteran

reno, nevada usa

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Shield towards the FRONT when the bearing goes theres less of a chance of the retaining going to shreads and blowing threw your motor. I wasted a motor from this. Bearing went along with the retainer. Motor was done!

Novarossi Motors U.S.A
www.PLanethobby.com
Team GrandRc.com
Team Byron Fuels
ZRC U.S.A. "PushGlo, SwitchGlo"

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10-15-2011 01:01 AM  6 years agoPost 6
Thumpernator

rrKey Veteran

Senoia, Georgia, USA

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wifeorheli (love that screen name, BTW)

As it has been brought up a lot of times before, if the retainer lets go, most likely the balls are going to take out the motor. I've never had one let go, always catching the bad bearing before that happens.

Maybe this is another one of those "Ford vs Chevy" type topics.

Dave
I keep on thinking, but nothing's happening. Knuk, Knuk, Knuk

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10-16-2011 01:02 AM  6 years agoPost 7
newlandb

rrApprentice

Decatur, Illinois - United States

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Appreciate everybodys input.

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