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Sierra Trail Boss Axle Bearing Cross Reference

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  • Sierra Trail Boss Axle Bearing Cross Reference

    Since the original p/n 4816420 (axle bearing) is obsolete, has anyone been able to cross reference these to a common bearing manufacturer?

  • #2
    update- thru thorough research I found bearing size for axle are: inside 1 1/2 outside 2 5/8 width 9/16

    Bearing number R24 2RS (double rubber seals) and bearing R24ZZ (double steel seals) will work for axles.

    Outer seals are National 470380 and CR 15005.

    Ebay.com has great deals on bearing and seals. I went with a premium bearing that was lubed with Mobil grease and good down to -40. I also found a lot of National seals 470380 that was a good deal. Hopefully this information will help future restoration projects. Good Luck!

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