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Trinity45 
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 Topic: No. 7 mower
Posted: 19 Dec 2023 at 12:56pm |
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How hard is it to get bearings etc for a no 7 mower. Found one for sale cheap but the bearings where it sickle bar mounts to the wobble box is out.
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Brian G. NY
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Posted: 19 Dec 2023 at 3:06pm |
The #7 was A-C's first of many "Twin-Wheel" mowers.
The larger (flywheel end) connecting rod bearing is a commom "304" bearing available at your local auto parts store.
The smaller (cutbar end) bearing is a bit uncommom because of it's thick inner race. These bearings were available from A-C back in 2008 when I rebuilt my #7, but were very, very expensive! A member of this site back then discovered they were available from a company called "Aircraft Spruce" who specializes in small aircraft parts. I purchased a couple of them back in 2008 at $33.30 each. A bit expensive but far cheaper than the ones from A-C. The outer race diameter on these is 43mm (1.69"). They were used on #7 mowers with serial #10601 and up and all 80 and 82 series mowers. Earlier #7 mowers used a smaller but same style bearing. I don't know the outer race diameter on that one but the Aircraft Spruce number was KP-6. I know Aircraft Spruce is still in business but I don't know if the bearings are still available but I would guess they are. Good luck, I used the parts from my #7 to repair an 82S I had acquired so I don't know how well a #7 works but I will say that the 82S was an excellent machine after I got it set up properly. |
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Mikez
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Posted: 19 Dec 2023 at 4:18pm |
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We have a lot of #7 mower parts.
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dr p
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Posted: 19 Dec 2023 at 6:30pm |
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Since no one is going to be mowing for a while, i might think about passing on a number 7 and get the next generation, an 80 series. Many people on this site have found them 80s to be a superior machine.
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Trinity45
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Posted: 19 Dec 2023 at 6:51pm |
uploads/11350/mower_bearing_1.jpg
To make sure I have the right number this is a picture of the bearing that is out. I can get it really cheap, but just want to make sure I can get parts.
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Trinity45
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Posted: 19 Dec 2023 at 6:52pm |
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Look at the picture i posted on reply and tell me if you have this bearing etc. Thanks
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rick ky
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Posted: 19 Dec 2023 at 7:19pm |
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there is or was a bearing supplier, Bearings & Related Components, 1-775-246-3026. I picked up some bearings from them a few years back. at that time the bearings were $8.00 each and they only had 6000. they informed me that the bearing was used in air craft hanger doors. good luck let me know if the small bearings are still available thru that retailer. rick
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Mikez
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Posted: 19 Dec 2023 at 7:50pm |
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That style connecting rod and bearing is not #7. That’s off later style mowers. That stuff is still available through agco
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Trinity45
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Posted: 19 Dec 2023 at 9:12pm |
uploads/11350/mower_converted.jpg
Can you tell me what model this is, he said he converted it to 3ph, i thought it looked like a no 7 I used to have one years ago. Only wants 75.00 for it.
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Brian G. NY
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Posted: 19 Dec 2023 at 10:03pm |
 Mikez wrote:
That style connecting rod and bearing is not #7. That’s off later style mowers. That stuff is still available through agco |
What's the Agco price nowadays?
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Mikez
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Posted: 19 Dec 2023 at 10:20pm |
I’d buy for 75. That’s a late model 80r that someone cut the snap coupler off and welded brackets on
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Brian G. NY
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Posted: 19 Dec 2023 at 10:55pm |
Mikez wrote:
That style connecting rod and bearing is not #7. That’s off later style mowers. That stuff is still available through agco |
Boy, I would like to see the Agco prices on any of that stuff today it they still have any in stock but I'm not going to take the time to look them up. Some of you young guys can do that! The connecting rods are definitely the newer style. However that style uses the same bearings (304 and KP-8) used on the earlier style.
I think Mike z. nailed it; this appears to be (maybe) an 80R mower that was adapted to 3PH by cutting the frame and welding on 3PH components (the black parts).
This may be a later 80R mower given it has the ball bearings at the pivot points on the ends of the gear case. If that is the case, the cut bar may be 3/4" thick instead of the 5/8" thick bar used on the #7 and some early 80 series mowers. I consider these two of the biggest improvements made on these mowers.
Now Mike, with the myiad of A-C parts you have, might you just have a few of these bearings laying around? LOL
Edited by Brian G. NY - 19 Dec 2023 at 11:00pm
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Brian G. NY
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Posted: 19 Dec 2023 at 10:59pm |
dr p wrote:
I might think about passing on a number 7 and get the next generation, an 80 series. Many people on this site have found them 80s to be a superior machine. |
Well, them 80 series and especially the 82 series sure do have a lot of improvements over ol' #7!
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Brian G. NY
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Posted: 19 Dec 2023 at 11:05pm |
rick ky wrote:
there is or was a bearing supplier, Bearings & Related Components, 1-775-246-3026. I picked up some bearings from them a few years back. at that time the bearings were $8.00 each and they only had 6000. they informed me that the bearing was used in air craft hanger doors. good luck let me know if the small bearings are still available thru that retailer. rick |
Hey Rick, just how many "years back" did you pick up those bearings for the outer end of the connecting rod? $8.00 apiece is the buy of a lifetime!! LOL
Edited by Brian G. NY - 19 Dec 2023 at 11:05pm
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Brian G. NY
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Posted: 19 Dec 2023 at 11:11pm |
Trinity45 wrote:
uploads/11350/mower_bearing_1.jpg
To make sure I have the right number this is a picture of the bearing that is out. I can get it really cheap, but just want to make sure I can get parts. |
That cap that covers the bearing may be a little hard to come by but may still be available at Agco. Maybe check with Mikez?
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Trinity45
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Posted: 20 Dec 2023 at 9:06am |
Mikez wrote:
I’d buy for 75.That’s a late model 80r that someone cut the snap coupler off and welded brackets on |
Mainly all I was looking for was something to cut ditch banks with. If I can get the parts and since it is only about a two hour drive from my house. I would consider buying it. Wish it still had the snap couple on it.
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rick ky
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Posted: 20 Dec 2023 at 7:05pm |
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not sure when I ordered them. have gotten other bearings since then and saved alot of money. ordered cutterbar bearings for a 411 NH disc bine when no one could get them. that mower was made by kuhn and when it was worn out it was worn out. if need be i will call and find out tomorrow afternoon if they still have them and order them.
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rick ky
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Posted: 20 Dec 2023 at 7:13pm |
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brian, at that time I had to hold back, brenda in sandy lake sent me one to get the number off the bearing it self. they were not cheap at that time from agco. when the salesman in nevada gave me the price it was like buying a new grill for a 170 mint for $200.00. thats all folks
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55allis
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Posted: 21 Dec 2023 at 11:45pm |
I’ve got 2 no 7 mowers… Both are snap coupler but I made one good out of the two. 
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1955 AC WD45 diesel with D262 repower, 1949 AC WD45
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