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Identifying Replacement Wheel Bearings for Unknown Hubs on Boat Trailer  

Question:

I am having trouble identifying what bearing kit I need for my boat trailer. I used my micrometer and found the following dimensions: Hub ID = 2.325 Spindle shaft OD = 1.25 Both bearings/races have the same ID and OD, 1.25and2.325 Seal ID = 1.5 The hubs have a 5 on 4 pattern. Thanks for the help.

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Expert Reply:

The easiest way to identify the needed replacement bearing kit is to obtain the reference numbers off the existing bearings. Your best bet would be to clean the existing bearings and closely examine them for the reference numbers.

Given the inside diameter you provided, the bearings could be a # LM67048, # 15123 or # 14125A, all of which have a 1.25 inch inside diameter. All three bearings are listed as outer bearings for certain hubs, none of the hubs we offer would use these as both the inner and outer bearing. The race OD you provided most closely matches the # LM67010 race, which is matched to the # LM67048 bearing, so chances are those are the bearings you have.

The grease seal used should have the same OD as the inside race, but in this instance, we don't offer a grease seal with a 1.5 ID and a 2.328 OD.

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Mike L
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