How to Pick Out Grease Seal for Trailer Hub

Question

Question:

Hi , i am not to smart on grease seals. On my trailer the grease seal has a name and number. National 441320. do you have 2 that i could buy ? thanks

asked by: Joe K

0

Expert Reply:

While I wasn't able to find the seal number you mentioned I do have a solution that will allow you to pick out the correct replacement.

To pick out a replacement grease seal you will need to measure the diameter of the spindle where the grease seal rides with a digital or dial caliper and then need to measure the hub bore where the current seal rides. With those two dimensions we can pick out the correct seal that you would need.

I attached a link to a page that has all of the grease seals we carry. You will need to select your inner and outer diameter from the filters on the page and the correct seals will be listed.

expert reply by: Jameson C

0

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Answer 1

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Answer 2

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Answer 3

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Answer 4

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 5

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Answer 6

The ALKO 4,400 lb axles use the same bearing sizes as the standard 3,500 lb alxes. If you want USA made bearings, I recommend the Bearing Kit #TMK52VR. This kit comes with the Timken brand bearings which are all made here in the USA.

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Answer 7

I contacted MORryde and this does happen from time to time as the weight of the trailer can spread out the axles due to downward pressure on the springs/suspension. Odds are the 35" wheel base #MR27ZR will be the correct one for you, but they…

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Answer 8

From the numbers you provided it sounds like you need replacement grease seals. In my research, the grease seals I found with the GS-1719DL number have a 1.72 inside diameter and 2.565 outside diameter. The replacement double lip grease seals you…

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Answer 9

Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the…

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Answer 10

The only difference between the #RG06-050 and Timken #TMK58ZR is the brand and quantity. Timken is typically considered to be a high quality brand, particularly for their USA made bearings. The #RG06-050 comes with two seals so it is the better…

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How to Pick Out Grease Seal for Trailer Hub

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