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Combine Bearing Replacement ?
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FREEDGUY View Drop Down
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Joined: 15 Apr 2017
Location: South West Mich
Points: 5396 		Post Options Post Options   Thanks (0) Thanks(0)   Quote FREEDGUY Quote  Post ReplyReply Direct Link To This Post Topic: Combine Bearing Replacement ?
    Posted: 29 Jan 2021 at 6:25pm
There's a post on AT about bearing checking/ replacement on the separator side of a machine (the guy is looking at a JD 9600) and a respondent said 2000 hours was the "replace/trade off" time frame for his operation Ermm . I really thought bearings lasted a little longer than 2000 hours Embarrassed ?? What have you guys experienced with bearing longevity ?
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 87905 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2021 at 7:20pm
80% of all bearings fail due to lack of lube / dirt.

another 10% fail due to miss alignment / install damage.

VERY FEW fail from being overloaded or end of life.. Most bearings are DESIGNED to run longer hours.

I cant speak for that SPECIFIC bearing, but in "GENERAL", ........

Ag equip is designed for 5,000 hours ... ( some applications could be half that)
light duty cars / trucks are designed for 2,500 hours
industrial equip ( factory) is designed for 20,000 hours


Edited by steve(ill) - 29 Jan 2021 at 7:36pm
Like them all, but love the "B"s.
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shameless dude View Drop Down
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Joined: 10 Apr 2017
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Points: 13607 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shameless dude Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2021 at 9:57pm
alot of combine bearing fail because the owners/operators power wash them.
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JPG AUSTRALIA View Drop Down
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Points: 767 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JPG AUSTRALIA Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jan 2021 at 12:20am
Steve is spot on 👍 A bearing will last for nearly ever if it has clean grease and not misaligned,... and no water😀.

Edited by JPG AUSTRALIA - 30 Jan 2021 at 12:23am
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FREEDGUY View Drop Down
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Joined: 15 Apr 2017
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Points: 5396 		Post Options Post Options   Thanks (0) Thanks(0)   Quote FREEDGUY Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jan 2021 at 5:12pm
Originally posted by JPG AUSTRALIA JPG AUSTRALIA wrote:

Steve is spot on 👍 A bearing will last for nearly ever if it has clean grease and not misaligned,... and no water😀.
I have no issues with the replies that Steve posts on the equipment/shops-barns-vehicles sections  and I have great respect for them,Wink !! He's a straight shooter in those regards !!!
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GM Guy View Drop Down
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Joined: 31 Jul 2012
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Points: 1985 		Post Options Post Options   Thanks (0) Thanks(0)   Quote GM Guy Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 2021 at 5:17pm
Depends mostly on lube and load. we rarely rear walker shaft bearings, but usually end up replacing left fan shaft bearings on L/M series.

On machines stored outdoors, a shot of teflon infused penetrating oil really helps to limber up an old bearing.
Gleaner: the properly engineered and built combine.

If you need parts for your Gleaner, we are parting out A's through L2's, so we may be able to help.
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Krazy Karl View Drop Down
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Joined: 12 Sep 2011
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Points: 203 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Krazy Karl Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 2021 at 7:00pm
All depends on maintenance. Maybe guy had bad experience once and in his mind replacement during off season is better than down time during harvest.
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CrestonM View Drop Down
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Joined: 08 Sep 2014
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Points: 8455 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CrestonM Quote  Post ReplyReply Direct Link To This Post Posted: 13 Feb 2021 at 10:00pm
Originally posted by GM Guy GM Guy wrote:



On machines stored outdoors, a shot of teflon infused penetrating oil really helps to limber up an old bearing.


Would that help only if the seals were bad?
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