How To Measure Trailer Spindle On a 2006 Forest River Flagstaff Popup Camper

Question

Question:

I need to replace my bearings on my trailer, I went to repack the bearings and learned the seal was bad, I now want to buy new and one spare kit to have on hand if a bearing fails I can replace whole unit and it is packed and ready to be installed. I took both hubs off to measure to get the right parts, I would guess a standard 1 for a 2006 Flagstaff Forest River 8 by 8 popup. What do you need me to measure?

asked by: Roger W

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Expert Reply:

You will need to either find the numbers stamped on your bearings or measure the spindle with a Digital Caliper # PTW80157. I have added an image below showing you where to measure on the spindle and where the numbers are on the bearings. If you also want a replacement hub you will find your lug bolt pattern stamped into the hub. Let me know what measurements you find on your spindle and I can help you find the correct replacement parts. Any images are also helpful.

expert reply by: Bud M

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Measurement Points For Trailer Spindle
(click to enlarge)

Answer 1

I would love to help you upgrade the suspension on your Twilight 2800 travel trailer. The MORryde Rubber Equalizers for Tandem Axle Trailers #MR87ZR that you referenced are a great solution but we do need to double check a few things. First is that…

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Answer 2

According to my research, your 92865A-1 hub/drum has a 25580 inner and an 14125A outer bearing and a 8 on 6-1/2 inch lug pattern, as does the AxleTek #AKHD-865-7-2-K hub drum you referenced. The #AKHD-865-7-2-K would be an acceptable replacement for…

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Answer 3

The two sizes you mentioned are pretty similar and fit many of the same 15 inch wheels. The 205/75-15 fits rim widths of 5 inch to 6-1/2 inch whereas the 225/75-15 fits widths that are 5 inch to 6 inch. The 205 is 27.1 inches tall and the 225 is 28.4…

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Answer 4

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 5

If your old axles have a 5 bolt brake flange the assemblies like Dexter Electric Trailer Brake Assembly - 12" - Left Hand - 6,000 lbs part #23-105 or Dexter Electric Trailer Brake Assembly - 12" - Right Hand - 6,000 lbs part #23-106 will…

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Answer 6

The Trailer Hub and Drum Assembly part #AKHD-545-35-K is the correct replacement for an AL-KO 7230. In regards to the braking assemblies, I suggest getting a new pair, the Electric Trailer Brake Kit part #AKEBRK-35-SA. This option will save you some…

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Answer 7

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 8

By "mobile home type bolt pattern" I believe you are talking about a 5 spoke utility bolt pattern such as what is on the Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles #8-174-5UC3. To measure your axle from hub face to…

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Answer 9

Hey Dave, what you gave me is enough info to get you replacement bearings. The grease seal 471750 matches the part #TMK48ZR. For a Timken replacement for the L44610 part number you'd need #TMK63VR. Then for a bearing for the L44649 you'd want…

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Answer 10

The great thing about Bearing Buddy like part #BB1781 is that when you add grease to your system with the included fitting, it will move the spring-loaded piston outward and allow grease to seep around the edges to keep from damaging the seal. You…

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Answer 11

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 12

The bearing part #L44649 has an inner diameter of 1.063 and is typically used in 3,500 lb axle hubs and the #L44643 has an inner diameter of 1 inch and is typically used on 2,000 lb axle hubs. If you can get me more info on your trailer like axle…

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How To Measure Trailer Spindle On a 2006 Forest River Flagstaff Popup Camper

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