[TowerTalk] us tower hdx-689 sheave replacement

[Rich Hallman - N7TR]

Just spoke with us towers and I have two 5 inch sheaves on the way.  $135 each.....

The old pulley is fine...just the bearing is locked.  Ray N6VR sent me a link on replacement bearings on eBay...so ill check that out and see what a machine shop can do for any future bearings I need replaced.     Thanks.....    Rich

On Mar 12, 2013, at 12:47 PM, "Bob K6UJ" <k6uj at pacbell.net> wrote:

> Rich,
> 
> Thanks for the link to the bearings.
> 
> Bob
> K6UJ
> 
> 
> 
> On Mar 12, 2013, at 6:08 AM, Rich Hallman - N7TR wrote:
> 
>> Here is the link to the bearing Im looking for.  
>> http://www.rbcbearings.com/aero-pdfs/Rolling/025_054/ACBB_MS27640.pdf Under KP10.
>> 
>> As others have already stated, if US Tower has customized their own sheaves, I think that's my direction.  "Trying" something new poses a big risk for me and the investment I already have in this tower.  Another $150 or $300 may seem like alot, but a small cost based on what has already been invested in the project.
>> 
>> Now if I can get US Tower to answer their phone today, that may be the harder objective.
>> 
>> Rich 
>> 
>> -----Original Message-----
>> From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Howard Cawthra
>> Sent: Monday, March 11, 2013 10:31 PM
>> To: TowerTalk at contesting.com
>> Subject: [TowerTalk] us tower hdx-689 sheave replacement
>> 
>> Whats the ID/OD of the bearing needed? My hdx72 has bronze bushing pressed into the pulley. no staking needed. Must be bronze not oil lite which is just powdered bronze material pressed into a bushing. If its a sealed ball bearing you should be able to buy at any bearing house or your local NAPA auto parts.
>> I own a NAPA auto parts store in a farm/ag area and there are very few ball bearings that I can't supply. 
>> 
>> 73 Howard KA6IOB
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