Bearing Kit Recommendations for Trailer with 5,200 lb Axles  

Question:

Expert Reply:

There are two possible bearing kits for your trailer's 5,200 lb axles. There's the more common part # BK3-310 and the less common part # BK3-300.

The difference is the seal size. The part # BK3-300 has a seal with an inner diameter of 2.25 inch and the # BK3-310 has a seal with an inner diameter of 2.125 inch which is the more common size. I can't tell you beyond that which for sure would be correct.

expert reply by: Jameson C

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Tim H.

4/20/2018

I called Carson Trailer to see if it was possible to narrow it down. They said that they installed either 5000# axles or 6000# axles and have no way of narrowing it down. Do these axle capacities provided by Carson correspond to the 2 part numbers that Jameson provided in his answer? If yes, then I will just purchase a couple of each.

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Jameson C.

4/20/2018

I wish I could say that narrows it down but it really doesn't at all. Only option is to pull a hub off and measure the spindle where the seal rides.

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