China Professional Utility Trailer Spindle Half Stub Axle Shaft with 4 / 5 / 6 / 8 Bolt Hub

Product Description

Utility Trailer Spindle Half Stub Axle Shaft with 4 / 5 / 6 / 8 Bolt Hub

Specs:

1. Sizes: 4-4″, 5-4. 5″, 5-4. 75″, 5-5″, 5-5. 5″, 6-5. 5″, 8-6. 5″
2. surface treatment : Painted black, galvanized, e-coating, or dacromet
3. Brinell Hardness 187- 255
4. Material: SAE G3500 or as per your requests; Tensile 250MPa min.; Brinell Hardness 187-255
5. Stud: 1/2-20UNF-2A, SAE-Grade 8, Tensile 150, 000 CHINAMFG min, Proof 120, 000 CHINAMFG min.
6. Bearing: Race L-44610, L-68111, LM-67571, 15245, 14276.
Cone L-44643, L-44649, L-68149, LM-67047. LM-67048, 15123, 14125A, 25580.

Kits includes: 1. Seal | 2. Inner Bearing | 3. Inner Race | 4. Outer Bearing | 5. Outer Race | 6. Hub | 7. Dust Cap | 8. Spindle | 9. Lug nut

Dim(X)

PCD(Y)

Bolt

Bearing

192.4

139.7

6*1/2″

LM67048/LM11949

192.4

139.7

6*1/2″

L68149/LM12749

138.8

108

5*7/16″

LM67048/LM11949

152.4

108

5*7/16″

LM67048/LM11949

152.4

120.65

5*7/16″

LM67048/LM11949

152.4

114.3

5*1/2″

LM67048/LM11949

152.4

108

5*7/16″

L68149/LM12749

152.4

120.65

5*7/16″

L68149/LM12749

152.4

114.3

5*1/2″

L68149/LM12749

138.8

101.6

4*7/16″

LM67048/LM11949

183.5

139.7

6*1/2″

25580/15123

152.4

X

5*1/2″

L68149/LM12749

101.6 mm=4 inch

108 mm=4.25 inch

114.3 mm=4.5 inch

120.65 mm=4.75 inch

139.7 mm=5.5 inch

 

* We have a large variety of trailer and boat trailer axles. The axles are available in leaf spring or torsion suspension from 2,000 lbs to 1,2000 lbs capacities. What’s more, we can produce it according to customer’s requests, drawings or samples.

 

 

Trailer short shaft size needs to be customized according to customer requirements

 
1. who are we?
We are based in ZheJiang , China, start from 2571,sell to North America(10.00%),South America(10.00%),Southeast
Asia(10.00%),Africa(10.00%),Mid East(10.00%),Eastern Asia(10.00%),Central America(10.00%),Northern Europe(10.00%),South
Asia(10.00%),Domestic Market(10.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
semi trailer axles,  air suspensions , chamber,wheel ,slack adjuster and other related items.
4. why should you buy from us not from other suppliers?
We have a trailer parts production more than 10 years the supply chain
5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T;
Language Spoken:English,Chinese
6.what is the certificate
At present, the company can undertake CCS, ABS, BV, GL and other certification products /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Availiable
Condition: New
Axle Number: 2
Application: Trailer
Certification: ISO
Material: Steel
Customization:
Available

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trailer spindle

Can you explain the role of bearings in conjunction with trailer spindles in towing systems?

Trailer bearings play a critical role in conjunction with trailer spindles in towing systems. Here’s an explanation of their role:

Trailer bearings are components that facilitate the smooth rotation of the trailer wheels around the spindles. They are located within the hub assembly and provide a low-friction interface between the stationary spindle and the rotating wheel. The bearings allow the trailer wheels to rotate freely while supporting the weight of the trailer and its cargo.

The primary functions of bearings in conjunction with trailer spindles are:

  • Load Support: Bearings bear the weight of the trailer and its cargo, transferring the load from the axle to the wheels. They distribute the load evenly across the spindle, preventing excessive stress on any specific area and ensuring optimal load capacity.
  • Reducing Friction: Bearings minimize friction between the stationary spindle and the rotating wheel hub. By providing a smooth, low-friction interface, they allow the wheels to rotate freely with minimal resistance. This reduces energy consumption and promotes efficient towing.
  • Alignment and Stability: Bearings help maintain proper alignment and stability of the trailer wheels. They ensure that the wheels rotate in a straight line and prevent wobbling or uneven tire wear. This is crucial for safe and controlled towing, as improper wheel alignment can lead to handling issues and compromised stability.
  • Shock Absorption: Bearings also play a role in absorbing shocks and vibrations encountered during towing. They provide a cushioning effect, reducing the impact of bumps and irregularities on the trailer wheels. This helps improve overall ride comfort and protects the trailer and its contents from excessive jolts or vibrations.
  • Lubrication: Properly lubricated bearings reduce friction and heat generation. They also help prevent premature wear and damage to the bearing surfaces. Lubrication ensures smooth operation and extends the lifespan of the bearings and the overall functionality of the towing system.

It’s important to note that trailer bearings require regular maintenance, including inspection, cleaning, and lubrication, to ensure their optimal performance and longevity. Neglecting bearing maintenance can lead to overheating, premature wear, and ultimately, bearing failure, which can result in costly repairs and unsafe towing conditions.

When selecting bearings for trailer spindles, it’s crucial to choose high-quality bearings that are appropriate for the load capacity and towing conditions. It’s recommended to follow the manufacturer’s guidelines regarding bearing specifications, lubrication intervals, and maintenance procedures to ensure proper functioning of the bearings in conjunction with the trailer spindles.

In summary, trailer bearings are essential components in towing systems that work in conjunction with trailer spindles. They support the load, reduce friction, maintain alignment and stability, absorb shocks, and require regular maintenance to ensure optimal functionality and safe towing operations.

trailer spindle

How do trailer spindles impact the performance and safety of a towing system?

Trailer spindles play a crucial role in influencing the performance and safety of a towing system. Here’s a detailed explanation of how trailer spindles impact towing system performance and safety:

  • Wheel Attachment and Stability:

Trailer spindles provide the attachment point for the trailer wheels. They secure the wheels to the trailer and ensure proper alignment and stability during towing. A well-designed and properly installed spindle contributes to the overall stability of the trailer, minimizing the risk of wheel detachment, wobbling, or excessive vibrations. This enhances the towing system’s performance and improves safety on the road.

  • Load Distribution:

Trailer spindles play a crucial role in distributing the weight of the load across the trailer axle. As the load is transferred from the trailer frame to the wheels through the spindles, they help maintain proper load distribution. Balanced load distribution is vital for safe towing, as it minimizes the risk of overloading certain wheels or axles, which could lead to instability and compromised handling.

  • Strength and Durability:

The strength and durability of trailer spindles directly impact the towing system’s performance and safety. Spindles should be designed and manufactured to withstand the weight and forces exerted on the trailer during towing. High-quality spindles made from robust materials, such as steel, provide the necessary strength and durability to handle the load and maintain stability. Weak or compromised spindles can lead to failures, resulting in accidents or damage to the trailer and other vehicles.

  • Wheel Alignment and Tracking:

Proper wheel alignment and tracking are critical for the safe operation of a towing system. Trailer spindles play a role in maintaining the correct alignment of the wheels. Misaligned wheels can cause uneven tire wear, reduced fuel efficiency, and compromised stability during towing. Well-designed spindles ensure that the wheels are aligned correctly, promoting smooth and predictable towing performance.

  • Smooth and Controlled Towing:

Trailer spindles contribute to achieving smooth and controlled towing experiences. They facilitate smooth wheel rotation, allowing the wheels to spin freely and reduce friction. Smooth rotation enhances the overall performance of the towing system, promoting better fuel efficiency, reduced wear on trailer components, and improved handling and control.

  • Compatibility with Suspension System:

Trailer spindles need to work in conjunction with the trailer’s suspension system. The spindle design and specifications should be compatible with the suspension components, such as leaf springs or torsion axles. Proper compatibility ensures that the spindles can handle the movement and forces generated by the suspension system, maintaining stability and minimizing the impact of uneven or rough road surfaces.

  • Compliance with Safety Standards:

Trailer spindles must meet safety standards and regulations to ensure the overall safety of the towing system. Compliance with these standards ensures that the spindles are designed, manufactured, and installed to provide the necessary strength, stability, and reliability for safe towing operations.

In summary, trailer spindles have a significant impact on the performance and safety of a towing system. They contribute to wheel attachment and stability, facilitate load distribution, provide strength and durability, influence wheel alignment and tracking, enable smooth and controlled towing, ensure compatibility with the suspension system, and comply with safety standards. Choosing high-quality spindles and ensuring proper installation and maintenance are essential for a safe and reliable towing experience.

trailer spindle

What is a trailer spindle, and what role does it play in a trailer’s construction?

A trailer spindle is a crucial component in the construction of a trailer. It serves a vital role in supporting and facilitating the movement of the trailer’s wheels. Here’s a detailed explanation of what a trailer spindle is and its significance in a trailer’s construction:

A trailer spindle is a shaft-like component that connects the trailer axle to the wheel hub. It is typically made of high-strength steel and is responsible for supporting the weight of the trailer and facilitating the rotation of the wheels. The spindle is mounted within the wheel hub assembly and allows the wheel to rotate smoothly and securely.

The trailer spindle performs several important functions:

  • Wheel Attachment: The spindle provides a secure attachment point for the trailer wheels. It is designed to fit into the wheel hub assembly and is often tapered to ensure a tight and reliable connection. The wheel is typically mounted on the spindle using lug nuts or bolts, which secure it in place.
  • Load Bearing: The trailer spindle bears the weight of the trailer and its cargo. It transfers the load from the trailer’s frame and axle to the wheels, distributing the weight evenly across the axle. The spindle must be strong enough to withstand the weight and forces exerted on the wheels during trailer operation.
  • Wheel Rotation: The spindle allows the trailer wheels to rotate freely. As the trailer moves, the spindle transfers the rotational force from the axle to the wheel hub, enabling the wheels to spin. This rotation is essential for the trailer’s mobility and maneuverability.
  • Lubrication and Heat Dissipation: Some trailer spindles incorporate grease or oil seals and fittings to allow for lubrication. Proper lubrication reduces friction and wear between the spindle and the wheel hub, enhancing the overall performance and lifespan of the trailer’s wheels. Additionally, the spindle’s design facilitates heat dissipation, helping to prevent excessive heat buildup that can lead to component failure.

In summary, a trailer spindle is a vital component in a trailer’s construction. It serves as the connection between the axle and the wheel hub, providing a secure attachment point for the wheels and supporting the weight of the trailer. The spindle enables the wheels to rotate freely, facilitating the trailer’s mobility. It may also incorporate features for lubrication and heat dissipation to ensure proper functioning and longevity of the trailer’s wheels. Overall, the trailer spindle plays a critical role in maintaining the stability, safety, and performance of the trailer during operation.

China Professional Utility Trailer Spindle Half Stub Axle Shaft with 4 / 5 / 6 / 8 Bolt Hub  China Professional Utility Trailer Spindle Half Stub Axle Shaft with 4 / 5 / 6 / 8 Bolt Hub
editor by CX 2024-03-01