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How to Select New Hubs & Bearings for 1993 Shorelandr Pontoon Boat Trailer

Question:

i have a 1993 shorelander pontoon trailer that i would like new hubs and bearings for it is a model pt 2018-21 serial no. 1mdbtlv11pe569653. can you match things up?

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Expert Reply:

Thanks for the model and serial number information on your Shorelandr pontoon boat trailer. Trailer makers do not usually maintain detailed parts records for items like hubs and bearings but we can certainly guide you in selecting new ones.

There are several things to match up as you choose new hubs. First you need to know your axle weight rating so that you can select hubs with the correct weight capacity. Second you need to match up your wheels' bolt pattern to ensure your wheels will mount on the new hubs. Third you need to choose a hub that uses the very same inner and outer bearings as your current hubs to ensure the new ones will fit on your spindles.

Axle ratings are usually found on a plate or sticker on the axle beam itself, or you may sometimes find this on the trailer's ID plate where its VIN and capacity appear. Your wheel bolt pattern can be confirmed with the help of the article I linked for you. For the bearings you can refer to the linked photo that shows the usual location and appearance of their part numbers.

This is the easiest way to confirm your bearings but in case you cannot obtain the bearing numbers this way you can measure your spindles to the nearest thousandth of an inch with a caliper like # PTW80157. Please refer to the points B, C and D on the diagram which you will need to measure for the inner diameter dimensions of the grease seal, inner bearing and outer bearing. Again, pulling the bearings to get their part numbers is the way to go.

With your axle rating, bolt pattern and bearings set confirmed you can simply click on the filters on the linked page to narrow the hubs shown to those that match your old ones. For example, if you have 3500-lb axles, a 5-on-4-1/2 bolt pattern and your hubs use bearings L68149 and L44649, then you can use hub/drum # AKHD-545-35-EZ-K if you have E-Z Lube spindles, or part # AKHD-545-35-K for standard spindles. Hubs include new bearings.

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