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

click to enlarge

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.

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

Chip H.

6/26/2020

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

Chris R.

6/30/2020

@ChipH No problem!

See All (6) Replies to Chip H. ∨

Chris G.

8/7/2024

Which does a innercgo when it has two metal sides

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.

Answer 1

For an oil seal matching the inside and outside diameter of the 10-36 grease seal, you will want the Unitized Oil Seal for Trailer Hubs #10-63 for your Dexter axles. You can also use the Oil Seal #9103309 confirmed to fit Hayes axles of the same…

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Answer 2

Heeeeeeey Randy! If you can let me know what the dimensions are between the bolt holes on your equalizer I can let you know what a replacement would be (see attached image). Also, are you looking for a direct replacement, or are you wanting to…

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Answer 3

I believe I was able to find the bearings and seals that you need, but you'll want to double check on your end by removing the hub and looking at part numbers just to make sure. Inner Bearing - #25580 Inner Race - #25520 Outer Bearing - #02475…

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Answer 4

Yes, there is a difference between an oil seal and a grease seal for trailer hubs. Oil seals have a much tighter fit on the spindle to keep the oil from leaking out. An oil seal can be used with grease but a grease seal cannot be used with oil. The…

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Answer 5

The Sony VCB-MHD1 System including rear camera and front dash monitor has been out of production since around 2010, and repair and replacement parts are no longer available from Sony. Even if you found a used replacement, it would already be overdue…

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Answer 6

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 7

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 8

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 9

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 10

If the spindles on your Reliable 2,700 pound axle are straight (same diameter in both bearing locations) then that indicates that it uses L44649 inner and outer bearings but if the spindles are tapered (inner bearing surface diameter is larger than…

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Answer 11

Many times when adding grease with the Bearing Buddy, a customer will add too much grease and blow out the rear grease seal which causes just what you say is happening to your wheel. I am sorry but to really be able to tell you what bearing kit you…

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Answer 12

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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How to Correctly Position Oil/Grease Seal in Trailer Hub

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