All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

About products and suppliers

The trailer axle is the structural component of the trailer that provides support and allows the wheels to rotate. It is specifically designed to bear the weight of the trailer and its cargo, transferring the load to the wheels and, ultimately, to the road. The axles are usually located under the trailer frame and are responsible for carrying the weight and distributing it evenly over the wheels.

The main components of the trailer axle

The primary structural element of an axle is the axle beam, which is a solid or tubular metal rod that spans the width of the trailer. It is designed to withstand the vertical loads and torsional forces exerted on the axle. The spindle is integrated into the end of the axle beam and serves as the attachment point for the wheels. Wheel bearings are mounted on the spindle to allow the wheels to rotate smoothly.

The hub is the central part of the wheel assembly and houses the wheel bearings. Bearings allow the wheels to rotate freely with minimal friction. Axles may be equipped with a suspension system to provide a smoother ride and increase load stability. Common types of trailer suspension include leaf springs, torsion axles, or independent suspension systems. In some cases, trailer axle with brakes assemblies give the trailer braking capabilities. These brakes can be electric, hydraulic or surge brakes, depending on the design and requirements of the trailer. To know more trailer axle parts, come to Alibaba.com, which has various trailer axle parts and trailer axle for sale.

Trailer axle load capacity

The load-carrying capacity of a trailer's axles can vary depending on a variety of factors, including axle design, material, and configuration. However, some standard load ratings are commonly used to classify trailer axles. The following are load-carrying capacities for common trailer axle ratings: 3500 lb trailer axles: 3500 lb trailer axles are typically designed to support a maximum load of 3500 lb or 1,587 kg. This rating is common for smaller trailers, such as utility trailers, boat trailers, or light camper trailers.

5000 lb Trailer Axle: The 5000 lb trailer axle is designed to support a maximum load of 5000 lb or 2,268 kg. This rating is typically used for medium-sized trailers, including enclosed cargo trailers, large boat trailers, or car transport trailers. 7000 lb Trailer Axle: The 7000 lb trailer axle is designed to support a maximum load of 7000 lb or 3,175 kg. This rating is typically used for heavy-duty trailers such as equipment trailers, livestock trailers, or larger flatbed trailers.

It's important to note that these load ratings refer to the maximum weight that the axle can safely carry. However, the total load capacity of a trailer is not determined solely by the axle rating. Other factors, such as the trailer frame, suspension system, tires, and hitches, also affect the overall weight of the trailer.