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Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036
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badger@uw
Posted 5/10/2016 20:36 (#5293640)
Subject: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036



East Troy, WI
I have a set of Orthman lift assist trailing wheels with some bad bearings and cannot find someone to service these things locally (yet).    The sealed ball bearing I think are NTN # AL5205-104 -- though the numbers are difficult to discern. Outer Diameter is ~ 62 mm, bore is 1.25 - or about 32 mm.  Width is ~15/16.

For Orthman Hub # 303-095 ...... 
Orthman bearing number is 120-036


Deere buys Bars and lift assist systems from Orthman - the cross reference is:
Lift assist on 1720 planter - assembly  BA28580
John Deere Hub Part Number AA50499

Deere does not list the bearings separately from the hub.      Can anyone cross this bearing?  Alternatively - point me to a Orthman dealer that stocks parts.   Is there actually a Deere part # to be found? 

 Thanks. 





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Tazzerblue
Posted 5/10/2016 21:21 (#5293804 - in reply to #5293640)
Subject: RE: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036


SW MN		Is it the wheel bearing? Sealed ball bearing? I found them at an Agco dealer. in stock. could get number. I have an otrhman stacker bar. about 10 years old.
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TMX864
Posted 5/10/2016 22:02 (#5293923 - in reply to #5293804)
Subject: RE: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036


Michigan		I'll get it for you in the morning. Have extras in our shop but can't remember the number right now.
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badger@uw
Posted 5/10/2016 22:06 (#5293933 - in reply to #5293804)
Subject: RE: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036



East Troy, WI

They are sealed ball bearings.  Two used per hub on the 785's (heavy lift assist set-ups used 4 on the 8 bolt hubs however).  

Wow- an Agco dealer?   Did you just bring in the original?  

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HFR
Posted 5/10/2016 22:11 (#5293951 - in reply to #5293640)
Subject: RE: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036


Central Minnesota

I think it is this bearing. NTN ALS 206-104N.  Not sure if their are crosses or if there are NTN dealers around. How about the pipe spacer deal that the bearings mount on-did that get damaged or did you catch it before they got that far? I have an extra one of them sitting around that I ordered from Orthman that was for a 1720 planter which is an Orthman bar.

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Tazzerblue
Posted 5/10/2016 22:20 (#5293976 - in reply to #5293951)
Subject: RE: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036


SW MN		I don't remember its been a few years, but I did write the # in the book. and it didn't ruin spacer. if you don't get it send me an email.
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badger@uw
Posted 5/10/2016 22:38 (#5294014 - in reply to #5293951)
Subject: RE: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036



East Troy, WI

I suppose this is ruined - but I may try to run it.  I actually want to redesign these hubs to have pre-loaded roller bearings (and re-greasable) - so this is somewhat temporizing for a few hundred acres or maybe through the fall.   I should probable get a spare - you looking to sell it?


the cut line you see has another story behind it... 





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TMX864
Posted 5/11/2016 08:54 (#5294640 - in reply to #5294014)
Subject: RE: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036


Michigan		It's JD #L1912C

Looks to be a SKF bearing; SKF yet 203-104


My spacer tubes look about like that and run just fine, they don't have weight on them.





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badger@uw
Posted 5/11/2016 10:36 (#5294872 - in reply to #5294640)
Subject: RE: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036



East Troy, WI

Seems like that 3 is a 6, 

SKF YET 206-104 probably.  This should help.  Motion Industries or someone else can get me the NTN or SKF.  The SKF has an eccentric which I am pretty sure the NTN doesn't have (maybe, the inner race is almost unrecognizable).  Mine is mutilated but will need to confirm that I can  fit the Deere bearing in the orthman-branded lift assist.   

All very good information.     I hope this helps someone else out, too. 

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badger@uw
Posted 5/11/2016 11:47 (#5294999 - in reply to #5293640)
Subject: RE: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036



East Troy, WI

Called here:   http://www.farmdepot.biz/.  275 Columbia St. Caro, MI 48723.   They service a fair amount of Orthman machines and have parts for them. 

The bearing off their shelf for 120-036

Peer FHR-206-20,NO! collar and TOTAL width of 0.936 --- very unusual 206 bearing.  This is different than the listed Deere part number - and the NTN number listed above.   I suspect this maybe a custom bearing spec for Orthman.  NTN said it was not a standard stock item.  Very irritating. 

I have two coming.  

 

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TMX864
Posted 5/11/2016 17:47 (#5295615 - in reply to #5294999)
Subject: RE: Orthman 785 Lift Assist - Need Orthman Bearing Part #120-036


Michigan		Interesting, let me know how they work, Ive learned to replace these yearly as preventative maintenance. They don't seem very tough.
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