How to Correctly Position Oil/Grease Seal in Trailer Hub

Question

Question:

SORRY WHAT IS THE CORRECT POSITION OF FACES THE SEAL IN A HUB OF TRAYLER THANK

asked by: SEBASTIAN M

0

Expert Reply:

An oil seal like Redline part # 9103309 installs in the back side of the hub (the side nearest the trailer's frame) with the sides or "legs" of the seal inserted into the hub's bore. This means that the flat metal surface of the seal will face the trailer frame.

The linked photo of a seal will show you both sides and indicates the direction in which it should be installed into the hub.

I have linked both an article and video on seals that may be helpful to you.

expert reply by: Adam R

0

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Chip H.

6/23/2020

Which way does the Timken seal go into the hub. One side has what looks like a small spring inside.

Reply

Chris R.

6/26/2020

The open side where you can see the spring is the side that'll face towards the hub as you insert it into the bore. You'll follow the same procedure described above (and in the video I linked below) for your double lip seal.

Helpful Links

tv-install-grease-seals-repacking-bearings-rg06-050.aspx

Reply

Chip H.

6/26/2020

@ChrisR Thank you, first time replacing bearings and seals.

Reply

Chris R.

6/30/2020

@ChipH No problem!

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See All (6) Replies to Chip H. ∨

Chris G.

8/7/2024

Which does a innercgo when it has two metal sides

Reply

Kyle S.

8/7/2024

@ChrisG Are you referring to the seal? It should still have markings/letters on it, and that would be the part that faces the frame.

Reply

Answer 1

When installing a seal at the back of a hub the outer part of the seal will need to be flush with the hub. I have linked a video that should help. You could watch the whole video or fast forward to the 1 minute, 50 second mark to see the seal…

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Answer 2

Brake magnet clips attach the brake magnet to the brake assembly so they should still be on there when you take the drum off. I looked up the 10,000lbs Dexter axle and the #BP19005 is the correct part for the 12 inch electric brake assembles oval…

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Answer 3

The magnet clips #BP19005 should not be making contact with the drum while the brakes engage, so I do not think that is the problem. What I think is going on is it's just not seating all the way. These can get a little squished or deformed…

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Answer 4

The modern tire size for C78-13 trailer tires is ST185/80-13. We offer a load range D Loadstar tire in this size, Item #AM1ST79. This durable bias tire features an advanced rubber compound for longer tread wear and low rolling resistance for a smooth…

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Answer 5

I have attached a photo of the inside of a hub you can check out. In the photo the arrow indicates how the seal is installed on the hub. As you can see the flat side of the seal is flush with the edge on the inside of the hub.

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Answer 6

The Dexter Nev-R-Adjust Electric Trailer Brake Kit part #23-468-469 is our best option for a 3,500 lb trailer axle. They are self-adjusting, made in the USA, and come with a five year warranty. You can mix self-adjusting and manual adjusting braking…

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Answer 7

There actually is no real difference. They have the same dimensions, fit the same applications, and are both double lip seals. Our part number for the 10-36 is the #RG06-070.

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Answer 8

Thank you for all the information; you seem to know the measurements you need, which are hub face to hub face and spring center to spring center. The closest axle we have to the measurements you gave is the Dexter #20545I-ST-72-15, which measures…

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Answer 9

We have an option to replace your axle, but not with a standard through-axle as there isn't one with a 62 inch hub face to hub face measurement. There are 60 and 72 inch lengths, but those would be too short and long, respectively. What you can…

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Answer 10

I may have a solution for you, but the dimensions you've mentioned would require a custom built axle because of the 61" spring seat center on center; there are stock axles that are 72" hub face to hub face but the spring seat…

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Answer 11

Hey Larry, yes we do have a grease seal replacement for what you have with the part #29031. This has the outer diameter you mentioned of 3 inch and also has the correct inner diameter of 1.875 inch.

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Answer 12

From previous customers with your 2003 Coleman Fleetwood we've been able to determine that your trailer has 2,200 lb Dexter axles. The bearings you would need are #L44649 for the inner and outer and then for a seal #10-9. For brake assemblies you…

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