Can Oil Seal be Used in Place of Grease Seal

Question

Question:

Yesterday I went to my local NAPA dealer for replacement grease seals for my trailer hubs. I brought in the old grease seal so that he could find a match. It wasnt until after I got home that I realized that he had sold me a pair of OIL SEALS. Do I need to take them back, or will they work just fine with my greased bearings?

asked by: Tracy K

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Expert Reply:

So long as the dimensions are what you need, you can use an oil seal as opposed to a grease seal on your trailer hub.

For example, the Oil Seal # 10-63 and Grease Seal # GS-2250DL both have 2.250" inner diameters and 3.376" outer diameters so they are compatible.

If you are in the process of changing out your bearings and seals, I have added links to help articles on how to replace them as well as a link to our entire selection of bearings, races and seals for you to check out.

expert reply by: Kyle S

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Answer 1

The TruRyde Grease Seal part #RG06-070 and Dexter Oil Seal part #10-63 are both designed for the same size spindle as they have the same dimensions, 2.250" inner diameter and 3.376" outer diameter. That said, the TruRyde is a grease seal…

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Answer 2

The TruRyde Grease Seal #GS-2250DL referenced in your question is a double lip seal that will do a great job at retaining the grease inside your hubs. They will also exclude water and road grime better than a standard single lip seal. The Redline…

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Answer 3

You may be able to use the DB-35 number as a cross-reference to an automotive brake pad, but that's not information we have access to since we don't offer automotive brake pads. I do know that the Titan #T4870900 are the replacement pads that…

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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

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 6

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 7

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 8

The UFP H-1377 correlates to a Dexter #84 spindle, which is for a 3,500 pound axle. This will utilize an inner bearing #L68149 and an outer bearing #L44649. As this is being used on a boat trailer, I highly suggest going with the etrailer.com…

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Answer 9

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 10

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 11

Depending on how the trailer was made, there will be a few spots you can check to identify the axle. First, if the trailer was pre-made by a specific company, you may be able to find this information in either the paperwork or on a placard somewhere…

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Answer 12

Overpacking the trailer hub with grease is the number one reason for grease seal failure. For a boat trailer I would recommend re-packing the hubs by hand with grease once per season and you'd be fine. I don't like recommending people use…

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Can Oil Seal be Used in Place of Grease Seal

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