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Disk Harrow question

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Rick K

05-14-1999 09:57:57




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I recently aquired a disk harrow of unknown manufacture. For what it is worth, it is about 5 feet wide, and is two harrows ganged together, one behind the other. The paint is long gone - no color visable. There is a handle that I believe is supposed to be used to adjust the angle, and a linkage that connects the front and back together, to make the angles on both sets adjust at the same time.

Here is the question. The bearings (bushings?) that the disk shafts ride on are long gone. For light duty use, are they actually needed? I suspect that the previous owner just shot grease into the zerk fittings to grease the area where the bearings went, but I'm not even sure that is a good thing, since it would trap dirt and probably wear things out quicker.

If bearings are important, is there a source of bearings that can be ordered by dimension info only? I have no idea what brand I have (any thoughts there?

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RWELLS

05-17-1999 09:02:22




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 Re: Disk Harrow question in reply to Rick K, 05-14-1999 09:57:57  
Sounds Like A KING Disk.Try Agri Supply.www.Agri-Supply.Com 1800-345-0169



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Milan D. Radakovic with Pix

05-16-1999 17:12:05




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 Re: Disk Harrow question in reply to Rick K, 05-14-1999 09:57:57  
third party image

Does it look like this ??? Mine had a little red left on it. I think it's an International.. Not positive, it came with my Super C when I bought it.



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halbert

05-14-1999 21:23:40




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 Re: Disk Harrow question in reply to Rick K, 05-14-1999 09:57:57  
There are basically 2 kinds of disk bearings; newer disks have typical sealed ball/roller bearings which may or may not have a zerk fitting. Older and some current light duty disks just have a cast iron trunnion or spool which is enclosed and rotates between 2 caps; these will always have zerk fittings. Some really old (1950's and before) units used hard wood pieces in the spools. The idea with any of these spool types is to keep them full of grease so that dirt can't get in; they will last several years if you keep them greased up. When worn out you will have to look for replacement spools and caps, which can be a problem. As long as nothing is cracked and the disk blades aren't rubbing against the framework of the disk, just keep using it and greasing it. If you dont't know the make/model maybe someone like Sid can help you out; the problem will be finding an upper cap which will mount to your disk frame. Good luck.

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Tommy D.

05-14-1999 11:13:08




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 Re: Disk Harrow question in reply to Rick K, 05-14-1999 09:57:57  
Had exact same problem. Got an inside micrometer (borrowed from neighbor) and measured diameter. Local Industrial Supply House had bins full of all sizes of bearings - pretty cheap too!

hope this helps,
Tommy D...



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E.Allison

05-14-1999 10:47:25




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 Re: Disk Harrow question in reply to Rick K, 05-14-1999 09:57:57  
Bearings are one of the few standard things in life. If you can get the old ones out, you can match new ones up by the old numbers or by measurements. I think you are right on the grease. Grease + dirt = grinding compound. Regards, EEA



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Rick K

05-14-1999 12:45:40




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 Re: Re: Disk Harrow question in reply to E.Allison, 05-14-1999 10:47:25  
The old bearings are simply gone. Nothing to measure. I guess I can measure the spot where they used to be. There is a cap that comes off. I envision that there must have been two halves, similiar to main or connecting rod bearings.

Are things like that readily available at AG equipment supply houses?



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paul

05-17-1999 22:55:46




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 Re: Re: Re: Disk Harrow question in reply to Rick K, 05-14-1999 12:45:40  
If it's really old, it could have been 2 pieces of hardwood halves in there. That's something you could make if you are at all handy with wood working. Altho most zerk type had metal sleaves. Wood would work well for you if nothing else works out.

--->Paul



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Sid

05-14-1999 15:49:44




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 Re: Re: Re: Disk Harrow question in reply to Rick K, 05-14-1999 12:45:40  
Sounds like you may have the friction type bearing, with a bearing spools which goes from one blade to the next with a top cap and a bottom cap with two bolts holding it together. There are several different sizes of spools. Your local tractor dealership should be able to help you. You need to know the axle diameter ( 7/8" sq, 1" sq., 1 1/8" sq, etc.)& the spacing between one disc to the next( 9", 7 1/2". I have spools and caps for 7/8", 1", and 1 1/8" axles.

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