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D 14 carrier bearing
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Tim NH View Drop Down
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Joined: 16 Oct 2012
Location: Lancaster NH
Points: 1148 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim NH Quote  Post ReplyReply Direct Link To This Post Topic: D 14 carrier bearing
    Posted: 11 hours 60 minutes ago at 4:29pm
I'm changing the brakes on the left side now. And I noticed the bearing's race had a score mark all the way around.  The steel ring shims on this side totals 0.038. The other side was 0.022. I guess that's what was needed for pinion, ring gear backlash. But does the scoring on the race show its too tight. 




Edited by Tim NH - 11 hours 58 minutes ago at 4:31pm
1950 WD 1959 D14 1955 WD45 1976 7000 B 207
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22501 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 10 hours 18 minutes ago at 6:11pm
No. It ran fine before. If it was too tight, it would have failed by now. Don't change a thing.
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 89653 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 9 hours 57 minutes ago at 6:32pm
what your seeing is minor damage from DIRT an CRUD in the oil that gets MASHED into the races... Roller bearings probably look the same... as Dr said, thats normal.
Like them all, but love the "B"s.
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Tim NH View Drop Down
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Joined: 16 Oct 2012
Location: Lancaster NH
Points: 1148 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim NH Quote  Post ReplyReply Direct Link To This Post Posted: 8 hours 46 minutes ago at 7:43pm
Thank you Dr Allis and Steve for your reply's. I was completely relieved.  I did notice that same color some what on the cage of the  the bearing in that same area. Doing this brake job has been a can of worms. 
1950 WD 1959 D14 1955 WD45 1976 7000 B 207
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Lynn Marshall View Drop Down
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2457 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lynn Marshall Quote  Post ReplyReply Direct Link To This Post Posted: 6 hours 45 minutes ago at 9:44pm
The dull gray area is the normal wear pattern of the rollers. The thin discoloration at the edge of the race is also normal considering that nothing has been riding on that surface.  The slight pitting is also normal for a bearing that is likely original. Change if you want, but the bearing should be replaced too. Personally,  I wouldn't worry about it. 
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