Replacement Hub for a 1.25" Straight Spindle
Updated 03/23/2026 | Published 05/26/2025
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Question:
Hi, I am wanting to buy some new hubs for my boat trailer. I am not sure of the brand and it is most likely at least 40 years old. I want to be able to use my new wheels and tires that are 5x4.5 studs with 13 wheels. I measured my spindle and it is 1.25. My outer seal is also a 14972, which is also 1.25. When I look at the hub kits, I do not see anything for 1.25, but I may be just looking in the wrong spot.
asked by: Tony S
Expert Reply:
I have never seen a 1.25" straight spindle, which would require a hub with two item # LM67048 bearings. That's either really old or you could've possibly measured wrong or not back far enough. 40+ year old trailers are still around and I've never seen that kind of spindle.
I do not have any kind of hub that fits a 1.25" straight spindle let alone one that'll allow you to keep your wheels. My only solution would be to replace the entire axle.
If you take a look at the diagram below. Locations C and D are what measurements I need to find a replacement hub. To get the most accurate measurement you'd want to use a digital caliper like item # PTW80157 and go to the thousandth place which is the third digit past the decimal point.
You can add this information and any other questions you have in the box below that says Reply to Jerred H.
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Product Page this Question was Asked From
Easy Grease Trailer Idler Hub Assembly for 2K Axles - 13" to 15" - 5 on 4-1/2 - PreGreased
- Trailer Hubs and Drums
- Idler Hub
- EZ Lube
- Pre-Greased
- L44643 / L44643
- Standard Grade
- For 2000 lbs Axles
- 1/2 Inch Stud
- 5 on 4-1/2 Inch
- 13 Inch Wheel
- 14 Inch Wheel
- 14-1/2 Inch Wheel
- 15 Inch Wheel
- etrailer
more information >
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Tony
5/30/2025
Thank you for the help. All I really need is the seal, so I just ordered a pair from your website. I will take a look and remeasure when I have it apart so I know what to order in the future.