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Replacement Trailer Hub Grease Seal for L44643 Inner and Outer Bearings

Question:

what seal do you have to replace a national 473426? My outer bearing is a Timken 44643

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Helpful Expert Reply:

The seal you need is going to be more associated with the inner bearing and race. The outer bearing will help identify other parts but only if I have both bearing numbers. If both bearings are the same then the seal is # 34823 or for a pair use # RG06-010. You will need to pull the hub and get the inner bearing number as well to be sure.

These seals measure 1.249 inner diameter and 1.983 outer diameter.

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