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

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 2

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 3

When replacing a grease seal, the metal part of the seal will face towards the inside of the trailer and the rubber part of the seal will face toward the back side of the wheel. The air side of the seal is the flat side of the seal and faces out when…

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Answer 4

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 5

After you've packed the bearings and assembled everything, carefully slide the hub assembly onto the spindle and install the outer bearing. Install the spindle and tang washer and run the spindle nut down finger tight, then rotate the hub back…

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Answer 6

I attached a picture that has the dimensions of the brackets of the Mounting Kit for Rhino-Rack Batwing Awning #RR25FJ that you referenced.

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Answer 7

It sounds like your assemblies are not the typical assemblies and will need to be replaced. For your brake assemblies, I recommend the Electric Trailer Brake Kit - Self-Adjusting #AKEBRK-7-SA along with mounting hardware #BRKH12. If you don't…

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Answer 8

The first thing to try to is add some penetrating oil like WD40 and let it sit for awhile. You can then try tapping the bearing to try and remove it. You don't want to hit it too hard because you can damage the spindle. It is possible that the…

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Answer 9

If you remove the hub and wipe away the grease on the spindle you can check to see if it is damaged. Look for an scarring, gouges, discoloration, or scoring on the spindle. If the spindle is damaged then the bearings won't ride properly and can…

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Answer 10

I looked up the information on your TDE 46205 Hubs and found a couple of great replacements for you. The one you pick will depend on the number of wheel studs you have. For 5 wheel studs use the etrailer Trailer Idler Hub Assembly for 2,000-lb E-Z…

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Answer 11

In order to replace the 4.80x12 trailer tires which measure 20.7" diameter x 4.9" wide in light of a wider option, I recommend a 225/55-12 the Kenda 225/55B12 Bias Golf Cart Tire part #AM1HP60 in particular which measures 21.8"…

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Answer 12

A 205/75-15 size tire can actually fit on a wheel from 5 to 6-1/2 inches wide. With that being said, it's generally better to go with the thinnest wheel your tire fits on because that puts the weight on the wheel in the most vertical position so…

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How to Correctly Position Oil/Grease Seal in Trailer Hub

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