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A trailer axle spindle is a crucial component that connects the trailer’s wheels to the axle, enabling smooth rotation and load support. Positioned at the end of the axle beam, the spindle houses the bearings and supports the hub assembly. It plays a vital role in maintaining wheel alignment and ensuring safe towing performance. Spindles come in various sizes and weight capacities to match different trailer types, from utility to heavy-duty. Proper maintenance, including regular lubrication and inspection for wear or damage, is essential for safety and l