What to Measure to Pick Out New Trailer Hub

Question

Question:

Hi, I have a trailer in which my inner bearing failed. However, im having difficulties location the part number of the hub assembly due to rust. My inner bearing reads part # JL 26749 and my outer bearing reads part # LM 12749. Its a 4 bolt 13 inch tire. Any idea what hub assembly i need to order? Thank you for your help.

asked by: Joey A

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Expert Reply:

Since your bearing numbers don't correspond with any of the hubs we carry you are going to need to measure the spindle of your trailer where the bearings and grease seal ride. With that info we will be able to see if we have a trailer hub that would fit.

Check out the picture I attached that shows where to measure. Email me back with that info and hopefully we have something that would work for you.

expert reply by: Jameson C

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Answer 1

The inner diameter of bearing #L44649 is 1.063 inches. The inner diameter of bearing #L68149 is 1.378 inches. Both fit on a #84 spindle. The matching race for bearing L44649 is #L44610. And the matching race for bearing L68149 is #L68111. These…

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Answer 2

The best way to determine which replacement hubs you need for your trailer would be to remove one of the hubs and retrieve the bearings. Find the numbers stamped into the bearings and with those we will be able to get you the correct hubs. If you are…

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Answer 3

The spindle dimensions are as follows: A is the mounting dimension, B is the seal dimension, C is the inner bearing surface, D is the outer bearing surface and E is the diameter of the threaded portion of the spindle for spindle nut selection. Say…

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Answer 4

In order to correctly measure a hub/drum you'd need to do so on the inside, where the shoes ride. I have attached a photo below that shows this. The Trailer Hub and Drum Assembly part #AKHD-545-35-K for example measures 10" x 2-1/4". I…

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Answer 5

In order to pick out the correct hub assembly for a trailer you are going to need know a few key pieces of information. The first thing you will need to know is the bolt pattern of your hubs. This is so you get a hub that is compatible with your…

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Answer 6

Before you added the new grease did you completely remove all of the old grease from everywhere? I bring it up because not all greases are compatible with each other and it can cause the grease to break down. It wouldn't happen over night but it…

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Answer 7

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 8

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 9

The 40 amp fuse for your 2006 Chevrolet Silverado tow package is used for the 12 volt battery charge circuit. This fuse is located toward the front of the underhood fuse box closest to the front auxiliary positive post (see photo). There may be a…

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Answer 10

On a 2005 Chevy Silverado 1500, If you are facing the front of the truck looking at the power distribution box, there will be a post at the back left side and a fuse slot near it. It is that fuse slot that you will install a 30 amp fuse. I have…

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Answer 11

For your enclosed trailer application I have several suggestions for adding interior lighting that you can control directly via a switch. Since your current 4-pole trailer wiring does NOT include a 12V auxiliary power feed that could power inside…

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Answer 12

The only way you could power interior dome lights on a trailer without it being connected to a tow vehicle would be to power the lights with a battery like a breakaway battery. How you choose to wire up the batteries will in the end be up to you, but…

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What to Measure to Pick Out New Trailer Hub

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