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1. [TowerTalk] Thrust Bearings (score: 1): Author: radio_9k2ub@yahoo.com (mohammad almutairi); Date: Mon, 6 Sep 1999 10:24:48 -0700 (PDT); A local amateur radio dealer here in Kuwait says he has a Hy-gain thrust bearing with the following model No : HG TBT 121B , any idea if this is simmilar to the TB3 ? Thanks _________________________; /archives//html/Towertalk/1999-09/msg00136.html (6,994 bytes)
2. [TowerTalk] Thrust Bearings (score: 1): Author: radio_9k2ub@yahoo.com (mohammad almutairi); Date: Sun, 29 Aug 1999 15:28:41 -0700 (PDT); Hello all , How imporatnt are thrust beraings. In my tower setup the top section is basically the three legs of the tower welded to a 2.16 " Id pipe about 2' long. Is this kind of top section conside; /archives//html/Towertalk/1999-08/msg00494.html (7,182 bytes)
3. [TowerTalk] Thrust Bearings (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Sun, 29 Aug 1999 22:35:47 -0500; Good morning, Mohammad, A thrust bearing mounts on a rotor plate above the rotor, or at the top of a flat-top tower. It has ball bearings inside and set screws to tighten into the mast. This makes th; /archives//html/Towertalk/1999-08/msg00511.html (8,437 bytes)
4. [TowerTalk] Thrust bearings (score: 1): Author: g3vbl@netcomuk.co.uk (Chris Pedder); Date: Sun, 12 Apr 1998 18:16:53 +0100; Hi, In the 'Mother Country' the definition of THRUST may not be the same as that used in the 'Colonies'. The Oxford English Dictionary regards thrust, in a mechanical sense, as being 'A pushing force; /archives//html/Towertalk/1998-04/msg00317.html (8,805 bytes)
5. [TowerTalk] Thrust Bearings (score: 1): Author: ksproul@rci.rutgers.edu (Keith Sproul); Date: Thu, 3 Jul 1997 13:46:28 -0400; I need to know what type of thrust bearings are out there.. I would like to get a bearing that fits over a 2 1/2 piece of pipe alowing a smaller piece of pipe to rotate inside of it. I do not have a; /archives//html/Towertalk/1997-07/msg00130.html (7,298 bytes)
6. [TowerTalk] Thrust Bearings (score: 1): Author: aa6eg@tmx.com (Pat Barthelow); Date: Fri, 4 Jul 1997 15:21:02 -0700 (PDT); Thrust Bearings: When we speak of thrust bearings, here on Tower Talk, do we mean any structure that provides structural sideways support of a mast, above the rotator, as in a top "pointy" section of; /archives//html/Towertalk/1997-07/msg00175.html (7,624 bytes)
7. [TowerTalk] Thrust Bearings (score: 1): Author: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>; Date: Wed, 5 Dec 2007 22:11:40 -0500; Sorry for the length, but when I started I didn't mean to type quite this much. It just kept growing. I hope I at least got the high points accurately and didn't miss too many. The life of a thrust b; /archives//html/Towertalk/2007-12/msg00097.html (16,523 bytes)
8. Re: [TowerTalk] Thrust Bearings (score: 1): Author: "Tod -ID" <tod@k0to.us>; Date: Wed, 5 Dec 2007 23:05:48 -0700; A nice discourse on this subject. Roger's statements support the Second Law of Life; "There are NO solutions in Life, only different sets of problems. You have to pick the problem you want to cope wi; /archives//html/Towertalk/2007-12/msg00098.html (19,761 bytes)
9. Re: [TowerTalk] Thrust Bearings (score: 1): Author: "J. Gordon Beattie, Jr., W2TTT" <w2ttt@att.net>; Date: Thu, 6 Dec 2007 07:51:38 -0000; Tod, Like trying to make people happy with a loss of 220-222 MHz in a conference room in the icy wilds of Ohio many years ago? 73, Gordon Beattie, W2TTT ex-N2DSY 201.314.6964 W2ttt@arrl.net A nice di; /archives//html/Towertalk/2007-12/msg00099.html (20,836 bytes)
10. [TowerTalk] Thrust bearings (score: 1): Author: K7LXC@aol.com; Date: Sat, 15 May 2010 16:56:42 EDT; the shaft vertical... taking a vertical load. They WILL work just fine on a tower.. since they will take a lateral load nicely, just let ALL the weight sit on the rotor bearing. They still end up bei; /archives//html/Towertalk/2010-05/msg00295.html (6,897 bytes)
11. Re: [TowerTalk] Thrust bearings (score: 1): Author: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>; Date: Sat, 15 May 2010 20:33:28 -0400; Brass, bronze, Aluminum, SS, and oil impregnated hard wood all make good, reliable, long lived pillow blocks when treated and installed properly. Even plain old steel with a bit of grease and paint s; /archives//html/Towertalk/2010-05/msg00298.html (8,093 bytes)
12. [TowerTalk] thrust bearings (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Wed, 19 May 2010 05:38:26 -0700; The TB-3 (and TB-4) are both aluminum races with steel ball bearings. It is very common for older TB's to have the rumbling you describe since in wind gusts, the steel bearings can get pounded into t; /archives//html/Towertalk/2010-05/msg00387.html (8,204 bytes)
13. [TowerTalk] Thrust bearings (score: 1): Author: Charlie Gallo <Charlie@TheGallos.com>; Date: Sun, 9 Oct 2011 22:55:44 -0400; Hey Gang, Reading the Nth thread on lubing thrust bearings, and just had a thought - would it be a good idea to design a thrust bearing that works based upon an 'ultra high molecularly weight filled; /archives//html/Towertalk/2011-10/msg00121.html (7,339 bytes)
14. Re: [TowerTalk] Thrust bearings (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Sun, 09 Oct 2011 20:27:37 -0700; Rulon and Vespel are terrific materials and fantastic choices for a slow speed bearing, metal to plastic. No stick slip, lowest coefficient of friction for rulon, thermally stable, no moisture absorp; /archives//html/Towertalk/2011-10/msg00122.html (9,112 bytes)
15. Re: [TowerTalk] Thrust bearings (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Sun, 09 Oct 2011 21:21:12 -0700; Many people have used HDPE (aka a cutting board). If you're looking for a bearing that takes radial loads (perpendicular to the shaft), then you saw the cutting board in half. Put the two halves toge; /archives//html/Towertalk/2011-10/msg00125.html (7,971 bytes)
16. Re: [TowerTalk] Thrust bearings (score: 1): Author: K8RI on TT <k8ri-on-towertalk@tm.net>; Date: Mon, 10 Oct 2011 01:07:07 -0400; We used to use graphite impregnated Delrin for low speed bearings. How much of a load they'd take I don't know, but they worked well and lasted long in our applications. 73 Roger (K8RI) _____________; /archives//html/Towertalk/2011-10/msg00126.html (9,141 bytes)
17. Re: [TowerTalk] Thrust bearings (score: 1): Author: "Jon Pearl - Laptop" <jonpearl@tampabay.rr.com>; Date: Mon, 10 Oct 2011 07:40:32 -0400; I did exactly the same thing a few years back, Roger. A buddy of mine who was a machinist in a plastics shop, acquired some Delrin plate scraps for me to use. I roughly formed the pieces into a coupl; /archives//html/Towertalk/2011-10/msg00128.html (9,498 bytes)
18. Re: [TowerTalk] Thrust bearings (score: 1): Author: "John Lemay" <john@carltonhouse.eclipse.co.uk>; Date: Mon, 10 Oct 2011 12:55:55 +0100; It sounds very similar to something which I make ................ http://www.aerial-parts.co.uk/shop/category_4/Mast-bearings.html?shop_param= cid%3D%26 I have one on my 2m EME array, no problems at; /archives//html/Towertalk/2011-10/msg00129.html (10,992 bytes)
19. Re: [TowerTalk] Thrust bearings (score: 1): Author: jcjacobsen@q.com; Date: Mon, 10 Oct 2011 09:23:04 -0400 (EDT); I seem to remember that someone (Rohn?) used to market an "Amateur Bearing" that was nothing more than a good sized chunk of Oak with a hole drilled in it. Just bolt it to the top plate and go for it; /archives//html/Towertalk/2011-10/msg00130.html (7,799 bytes)
20. Re: [TowerTalk] Thrust bearings (score: 1): Author: Clint Talmadge <clinttalmadge@gmail.com>; Date: Mon, 10 Oct 2011 08:33:04 -0500; Part # AB - (Amateur Bearing) Hardwood Bearing - for use on 25AG-4 Top Section for 2" OD Tubing - (2" X 4" X 10" w/hardware) Clint - W5CPT - _______________________________________________ _________; /archives//html/Towertalk/2011-10/msg00131.html (8,160 bytes)

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