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Estimated Weight Capacity of 41mm Square Trailer Axle


Hey, I was wondering if you were able to help me find out the capacity of my boat trailer axle. Its 41mm square, measurements of spindle are as follows. ID seal is 1-7/16 inch ID inner bearing is 1-1/4 inch ID outer bearing is 3/4 inch Hope this helps, thank you...


Expert Reply:

Thank you for the photo of your boat trailer's square axle.

Typically a square trailer axle that measures 41mm (1.6-inches) on a side will have a weight rating of 1800- or 2000-lbs. We offer one such 1800-lb-rated axle, CE Smith Trailer Axle # CE33201GA-HUB which includes idler hubs, and # CE33201GA which is the axle beam/spindles only.

We also offer Timbren axle-less trailer suspensions that entirely do away with the axle beam and leaf springs. These bolt-on kits like # A20RS440 are shown on the linked axle page. Timbren suspensions can give you much-improved ground clearance and they come with lift or drop spindles too for instances where you want to raise or lower the trailer height.

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