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Re: [TowerTalk] Yaesu GS-065 thrust bearing

To: Mike Reublin NF4L <nf4l@comcast.net>
Subject: Re: [TowerTalk] Yaesu GS-065 thrust bearing
From: Grant Saviers <grants2@pacbell.net>
Date: Mon, 02 Jun 2014 09:14:01 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
McMaster has balls in stainless, 304, 316, and 440. 316 isn't the hardest but is the most corrosion resistant. They are what I use for rotator rebuilds.

If you meant "cratered" which happens when the mast oscillates then it might be possible to smooth that out a bit with sandpaper since the bearing is pretty crude to start with. Works for rotator races. Adding a couple of grease fittings which get a shot of grease every year will also help a lot. I like the TFE loaded full synthetic "Super Lube" formerly by Synco, now owned by Loctite.

Grant KZ1W

On 6/2/2014 7:20 AM, Charles Gallo wrote:
Ceramic balls have an issue, they really really don't like jarring loads. Their 
failure mode is to break, vs rust

--
73 de KG2V
Charlie

On Jun 2, 2014, at 10:00 AM, Mike Reublin NF4L <nf4l@comcast.net> wrote:

Does anybody know what size balls are in the Yaesu GS-065 thrust bearing? My cheap 
caliper isn't precise enough. Looks like 3/8". They're rusted and bumpy.

Has anyone had experience with ceramic balls?

The grease is so hard I'm having to soak it off so I can see the races. If 
they're crafted, I'll just replace the whole thing.

73, Mike NF4L


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