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How to Pick out Replacement Bearings for a Boat Trailer

Question:

Need wheel bearings for a 1994 trailstar pontoon trailer there 5 on 5 but cant find hub or bearings

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Expert Reply:

The best way to find the correct replacement bearings is to get the numbers stamped onto the metal of the inner and outer bearings that are currently on the trailer. With those you will be able to find the correct replacement bearings, races, and seals.

Another option is to measure the spindle of your trailer with a micrometer to get the diameter of it where the seal, inner, and outer bearings ride. See picture.I have included a link to a video on inspecting trailer bearings that should help you when removing the old bearings.

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expert reply by:
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Jameson C

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