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 Post subject: Using Pin Bearing?
PostPosted: Wed Mar 16, 2016 1:43 pm 
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Joined: Wed Mar 16, 2016 12:45 pm
Posts: 13
Has anyone used pin bearing to reduce torque in the front inside the piston?

Off course it should be done using two same size washers that comes with such bearings, if at all possible.

Thanks for your input.


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 Post subject: Re: Using Pin Bearing?
PostPosted: Wed Mar 16, 2016 7:23 pm 
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Joined: Tue Oct 13, 2009 1:27 am
Posts: 2514
Location: Vancouver
Which airgun are you referring to with this suggestion? I'm not aware of any 'torque' inside airgun pistons. Perhaps a description of how the bearing is being used?


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 Post subject: Re: Using Pin Bearing?
PostPosted: Wed Mar 16, 2016 8:06 pm 
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Joined: Sat Nov 03, 2007 4:19 pm
Posts: 8973
Location: Coalmont BC
Possibly he means using a needle thrust bearing in a springer?.... I have heard that they don't stand up to the abusive shot cycle.... It may also increase the vibration in the spring.... or rather not damp it out as quickly....

Bob

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 Post subject: Re: Using Pin Bearing?
PostPosted: Thu Mar 17, 2016 12:08 pm 
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Joined: Wed Mar 16, 2016 12:45 pm
Posts: 13
I have found that it may not be a good idea discussed on some other forums.

Two washers with grease is enough. Thanks for the input.


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 Post subject: Re: Using Pin Bearing?
PostPosted: Thu Mar 17, 2016 11:00 pm 
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Joined: Thu May 07, 2015 8:30 pm
Posts: 1184
Location: Eastern Townships, P.Q.
You can use a nylon washer between two polished SS washers. It makes a pretty good thrust bearing.

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 Post subject: Re: Using Pin Bearing?
PostPosted: Fri Mar 18, 2016 8:56 am 
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Joined: Wed Mar 16, 2016 12:45 pm
Posts: 13
Thanks. Good idea.


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