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Old 03-11-2016, 07:49 AM   #29
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So i guess set 4 is outside and set 17 is inner bearings.. I like the 6 on seals for screw up..

Wonder is airstream would have that info or maybe the dexter axle folks for sure.
thanks

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We ordered the Timken brand: four of Set 4 and four of Set 17 bearing sets and six of the Timken 442251 seals in case we screwed up a seal or two up putting them in. We will have a complete spare set as well. These are for the 10" brake drums associated with the 3,000 pound axles of the 23D. I do not know the sizes of the bearings and seals associated with the 12" brake drums and higher capacity axles.
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Old 03-11-2016, 05:35 PM   #30
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I see on the 5000 lb axle the bearing is

450659 Inner bearing, #25580
680364 Inner race, #25520
450658 Outer bearing, #LM67048
680365 Outer race, #LM67010
680370-100 Grease seal

found them a amazon for 15.69 each for the 25880
the lm68048 were 12ish each.. race is extra like 10 bucks but not bad for US made product.
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Old 03-11-2016, 09:12 PM   #31
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I purchased mine on Amazon also.


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Old 04-17-2016, 07:23 PM   #32
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My 2000 Safari has 3000 lb axles with 12 x 2 brakes.
I'm trying to figure out which bearings I need.

Can someone tell me which set numbers are inner & outer?
Or, the part numbers for bearing/cone & cup/race I need for inner & outer?
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Old 04-17-2016, 09:03 PM   #33
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I believe for your 12 x 2 drum brake you will need the following bearing part numbers:

Large inner: 25580
Small outer: LM67048

Bearings are made to a standard. The part number is usually marked on the cups and cones. All manufactures use the same part number.

You will have to verify the OD and ID of the grease seal you need. There are a lot of variations in grease seals. Again, the part number is usually stamped on the grease seal.

You will have to go shopping for the Timken bearings as there are so many lower cost bearings out there.

You might want to rent a cup driver to pound them out and then back in the drum. Some folks can do it with a punch and hammer, but I find the drivers work better. Auto parts stores rent them out.

David
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Old 04-17-2016, 09:11 PM   #34
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Thanks!
Those numbers are what I've found in several posts, just not sure how consistently they are used by Airstream and if they are used in my trailer. I guess I'll have to pull a wheel and look. I've greased the bearings many times, just never recorded those part numbers.
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Old 04-17-2016, 09:41 PM   #35
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Lota bearings come from Mexico.
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Old 04-18-2016, 07:47 PM   #36
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Not all Timken bearings are made in USA.You have to seek them out.Found them on Amazon.


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Old 04-18-2016, 08:10 PM   #37
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Everywhere I've looked, all Timken bearings I've found have been made in China. I'm not buying those from Asia.

US made is what I would like to find. Canadian or European made I suspect would be equal in quality.
What are the options?
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Old 04-18-2016, 09:15 PM   #38
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As I said Amazon has USA made Timken bearings if you search.


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Old 04-19-2016, 08:02 PM   #39
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Some SKF and most FAG, ZKL and INA bearings are made in the EU.
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Old 04-28-2016, 10:26 AM   #40
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Quote:
Originally Posted by A W Warn View Post
Everywhere I've looked, all Timken bearings I've found have been made in China. I'm not buying those from Asia.

US made is what I would like to find. Canadian or European made I suspect would be equal in quality.
What are the options?
I'm not having any luck finding the Made In USA Timken bearings on Amazon either. Do you have to go to Ebay?
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Old 04-28-2016, 11:01 AM   #41
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Might want to look at www.timken.com they have a lot of info and a find a distributor. Got a bearings inc. distributor nearby?
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Old 04-28-2016, 05:13 PM   #42
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I spent my career working in factories, especially hydraulics and transmissions. We used a lot of tapered roller bearings. I was always impressed with Timken and their manufacturing strengths. That said, now days most manufacturing organizations have strict process controls and many other systems to help quality assurance. Timken is one of the best, and they have many factories. I'll bet each and every factory is strictly controlled, weather in Ohio or Shezwan. A Timken bearing that said "made in China" would not concern me a bit. Same with the Japanese bearings brands. The second tier bearings I might be more concerned with.

I know all the trouble with Goodyear Marathon trailer tires. I darn well bet people were held accountable for allowing that to happen whatever the cause. It hurt Goodyear badly. Same with the Ford 6.0 diesel debacle. Something failed in their reliability testing.

Trailer bearings are a commodity item. I have never had one fail on me. I service them yearly. Many folks make trailer bearings. Select a tier one supplier and you will be fine. Timken, NTN, SKF and the others mentioned are good.

David
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