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Fit and Compatibility of Drum/Hub on # 42 Spindle  

Published 08/30/2016

Question:

I have a dual axle trailer with a #42 tapered spindle 1.2495 outer spindle diameter and 1.7495 inner spindle diameter. Bearings are 15123 and 25580 currently in use in a mobile home trailer hub like your item Code: 8-174-5UC3. I wish to up grade to 8 on 6-1/2 drum hubs and run a 16inch tire Why will your item AKHD-865-7-2-K not work on my #42 spindle? Thanks

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Expert Reply:

The # 14125A bearing has different applications than a # 15123 bearing. The outer diameters are different. Which is why the # AKHD-865-7-2-K will not work on your #42 spindle.

If you have a # 15123 bearing then you would need that same bearing as a replacement.

The only hub and drum with a 8 on 6-1/2 bolt patter that will work for an inner bearing of # 25580 and outer bearing of # 15123 is the # 8-219-50. This hub and drum will be compatible with 12x2 inch electric and hydraulic brake assemblies.

I have linked the brake assemblies that will fit this drum/hub for you to choose your preferred brake component like manual or self adjusting.

I have also linked all the above mentioned parts to this page for your viewing and purchasing convenience.

expert reply by:
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Jackie C
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