Identifying the Bearings and Seals on a Lippert Trailer Axle

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Question:

I have a lippert axle assembly, NV304664 Can you give me information on inner and outter bearing sizes? also seal size? part numbers? lastly does dexter make a replacement hub to fit this axle? part number? A Lot of info but thanks in advance for any help.

asked by: Chris

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Expert Reply:

I checked with Lippert and could not find any information on NV304664. Do you know the capacity of the axle? If it is a 7,000 pound axle then the likely inner bearing is # 25580 and the outer bearing is # 14125A. If a 2-1/4 inch seal diameter is needed it is a 10-36 seal, # RG06-070. Or it could also be a 2-1/8 inch diameter seal # RG06-090.

If it is a 3,500 pound axle it likely uses inner bearing # L68149 and outer bearing # L44649 and a 10-19 seal # RG06-050.

To determine which hubs will fit I really need to know the inner and outer bearing numbers stamped on the sides of the bearings. If the bearings are not available you would need to measure the spindle where the seal and bearings ride using dial or digital calipers. I have included a picture that shows where to measure.

expert reply by: Michael H

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Answer 1

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 2

Yes, the Timken Bearing Kit #TMK52VR will fit your 3,500 lb axle as it fits an standard #84 spindle. The only time this kit won't fit with a 3,500 lb axle is if the trailer/axle is made before the 2000's since that's about the time that…

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Answer 3

The Camco RhinoFLEX Sewer Hose part #CAM39761 that you referenced uses standard RV sewer connections like what Valterra would have. On the RV side (the side that would attach to a Valterra fitting) there is a bayonet fitting which is an industry…

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Answer 4

I would be happy to help! For your Jayco Single Axle Travel Trailer a shock kit like the Lippert Bolt On Shock Kit #LC281281 will hands down be the best option to prevent side to side rocking of the trailer. The SumoSprings #TSS-107-40 you were…

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Answer 5

You definitely can cut the SumoSprings Trailer Helper Springs #TSS-107-40 to fit your application if you don't have enough room. We have confirmed this with SuperSprings on multiple occasions. You might also want to make sure that you haven't…

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Answer 6

The correct bearing kit for your Lippert 3,500 lb axle is the Bearing Kit #BK2-100. This kit uses inner bearing #L68149, outer bearing #L44649, their accompanying races, along with grease seal #58846. I've added a link to a video review of this…

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Answer 7

I reached out to my contact at Lippert and based on the NV 248685 your 7000lb Lippert axle uses inner bearing #25580, outer bearing #14125A, and grease seal #GS-2250DL. Now this grease seal has a 2.250" I.D. which is the same as the seal you…

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Answer 8

The bearing kit you need for your Lippert 7,000 lb axles is Bearing Kit #BK3-210. This kit contains the correct bearings, #25580 and #14125A as well as the matching races and grease seal #GS-2125DL.

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Answer 9

A Lippert 3,000 Lb (LCI35) Trailer Axle will use the Hub Bearing Kit for Lippert, Dexter, and Al-Ko Axles - 3,500 lb with #84 Spindle part #BK2-100 which has everything you need from the bearings to the seals.

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Answer 10

Thank you for all of the great info! While you technically could have enough room to make turns with the B&W Companion #BWRVK3370 and the BAKFlip MX4 Hard Tonneau Cover #BAK48330, from what I could find out I think you're only going to have a…

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Answer 11

We do have tonneau covers that will be better when hauling a 5th wheel. Folding covers are not the best option because when folded up it sits above the bed rails quite a bit. This could result in damage to your trailer, the tonneau and your 2019 Ford…

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Answer 12

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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Identifying the Bearings and Seals on a Lippert Trailer Axle

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