When it comes to trailer axle repairs and replacements, one of the most important components to consider is the u-bolt. U-bolts are an essential component that helps attach the axles to the frame, providing stability and strength. With so many options on the market, finding the best u-bolt for your trailer axle can be a perplexing task. To help make this decision easier, we have compiled a comprehensive guide to finding the optimal u-bolt for your trailer axle, including an examination of different materials, sizes, and shapes that can provide maximum stability and reliability. So let's dive in and explore what makes the best u-bolts for trailer axles!
Why best u bolts for trailer axle Is Necessary?
U-bolts are essential for a trailer axle because they provide the necessary strength and stability to keep the axle secure. The U-bolt wraps around the axle and holds it in place, while also acting as a shock absorber and reducing vibration. U-bolts also provide better alignment of the wheels, helping to prevent tire wear and suspension damage. High quality u-bolts are necessary to ensure that your trailer is safe and secure when in use.
Comperision Chart for best u bolts for trailer axle
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Rockwell American 3,500 lb Idler Trailer Axle Running Gear (Idler Axle W/Hubs, Bearings, Lugs & Nuts, Springs, U-Bolt Kit, Hanger kit. (73″ Hubface, 58″ Spring Center)
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LIBRA 8000# 8K Tandem Trailer Axle Suspension Kit Leaf Spring/U-Bolt/Hanger Kit
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Rockwell American 3,500 lb Idler Trailer Axle Running Gear (Idler Axle W/Hubs, Bearings, Lugs & Nuts, Springs, U-Bolt Kit, Hanger kit. (85″ Hubface, 70″ Spring Center)
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LIBRA 6000# 6K Tandem Trailer Axle Suspension Kit Leaf Spring/U-Bolt/Hanger Kit
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Rockwell American 3,500 lb Idler Trailer Axle Running Gear (Idler Axle W/Hubs, Bearings, Lugs & Nuts, Springs, U-Bolt Kit, Hanger kit. (61″ Hubface, 46″ Spring Center)
Rockwell American 3500 lb Idler Trailer Axle Running Gear (Idler Axle W-Hubs, Bearings, Lugs & Nuts, Springs, U-Bolt Kit, Hanger kit. (73 Hubface, 58 Spring Center)
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The Rockwell American 3,500 lb Idler Trailer Axle Running Gear is a great way to upgrade the axle of your trailer. This running gear set is made in the USA and includes a 3,500 lb idler axle, two leaf springs, a U-bolt kit, and a hanger kit. It also comes with 32 oz Johnson Trailer Parts insulated mug for keeping your drinks hot or cold on the road. The superior powder coating finish and posi-lube spindles provide continuous bearing protection, while the 5 lug on 4.5 bolt pattern ensures an easy installation. This running gear set is available in sizes ranging from 73 hubface to 58 spring center and can replace Dexter, Al-Ko & TK trailer axles with ease.
Why We Like This
Made in the USA with superior quality materials
Includes all necessary hardware for installation
Posi-lube spindles provide continuous bearing protection
Powder coated finish resists rust and corrosion
5 lug on 4.5 bolt pattern makes it easy to install
Common Questions & Answers
Q: What kind of warranty does this axle come with?
A: It comes with a 2 year manufacturer warranty.
Q: What size bolts does this axle use?
A: It uses 5 lug on 4.5 bolt pattern bolts.
Q: Does this axle replace Dexter, Al-Ko & TK trailer axles?
A: Yes, it does replace those axlesAdditional Product Information
LIBRA 8000# 8K Tandem Trailer Axle Suspension Kit Leaf Spring-U-Bolt-Hanger Kit
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The LIBRA 80008K Tandem Trailer Axle Suspension Kit is an impressive package that provides all the necessary components for a strong and reliable trailer suspension. This kit provides 4,000 lbs capacity per each spring, which is ideal for standard 8,000 lbs trailer axles. The kit includes 5,200-7,000lbs axle U-bolt kit for 3″ dia round trailer axles, as well as a complete 2″ slipper spring hanger kit for tandem trailer axles. LIBRA has been supplying US OEM trailer industry for over 16 years and their products are trusted by major trailer & trailer axle manufacturers.
Why We Like This
4,000lbs capacity per each spring ideal for standard 8,000lbs trailer axle
Includes 5,200-7,000lbs axle U-bolt kit
Complete 2″ slipper spring hanger kit
Free length from center of eye to end of hook: 29-1/2″, Free open: 3-1/2″
Reliable and quality parts trusted by major trailer & trailer axle manufacturers
Common Questions & Answers
Q: What is the width of the leaf?
A: The width of the leaf is 2″.
Q: What is included in the U-bolt kit?
A: The U-bolt kit includes 4 x 7″ long U bolts with 9/16″ diameter; 2 x tie plates for 1-3/4″ or 2″ leaf springs; 8 x 1/2″-20 hex nuts.
Q: What is the length of LIBRA 80008K Tandem Trailer Axle Suspension Kit?
A: The free length from center of eye to end of hook is 29-1/2″, with a free open of 3-1/2″.Additional Product Information
Rockwell American 3500 lb Idler Trailer Axle Running Gear (Idler Axle W-Hubs, Bearings, Lugs & Nuts, Springs, U-Bolt Kit, Hanger kit. (85 Hubface, 70 Spring Center)
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Are you looking for a reliable trailer axle? Look no further than Rockwell American 3,500 lb Idler Trailer Axle Running Gear! This axle kit is made in the USA and includes all the components you need to get your trailer running safely. It comes with a superior powder coated finish and Posi-Lube spindles that provide continuous bearing protection. The kit includes an idler axle with hubs, bearings, lugs and nuts, two leaf springs, a U-bolt kit, hanger kit, and an insulated mug. Its available in several sizes so you can find the perfect fit for your trailer. Read on to learn why we like this product and get answers to some common questions about it.
Why We Like This
Quality Construction The Rockwell American 3,500 lb Idler Trailer Axle Running Gear is made in the USA with superior quality components. The powder coated finish ensures your axle will last longer while the Posi-Lube spindles provide continuous bearing protection.
Ready To Install Everything you need to get your trailer up and running is included in this kit. Theres no need to purchase additional parts or pieces as it comes with an idler axle with hubs, bearings, lugs and nuts, two leaf springs, a U-bolt kit, hanger kit, and an insulated mug.
Versatile There are several sizes available so you can find the perfect fit for your trailer. It also replaces Dexter, Al-Ko & TK trailer axles so you dont have to worry about compatibility issues.
Easy To Use Installing this axle is easy as everything needed is included in the kit. Plus its 5 lug on 4.5 bolt pattern makes it simple to attach to wheels without any extra modifications or tools required.
Warranty Rockwell American backs their products with a 2 year MFG warranty so you can feel confident that your purchase will be protected for years to come.
Common Questions & Answers
Q: What size options are available?
A: This axle is available in several sizes including 85″ Hubface 70″ Spring Center as well as other bolt patterns such as 5 lug on 4.5 bolt pattern (other bolt patterns).
Q: Does this replace Dexter axles?
A: Yes! This axle kit replaces both Dexter and Al-Ko & TK trailer axles making it compatible with many different types of trailers without any extra modifications or tools required.
Q: Does this come with a warranty?
A: Yes! Rockwell American backs their products with a 2 year MFG warranty so you can feel confident that your purchase will be protected for years to come if anything goes wrong down the line.Additional Product Information
LIBRA 6000# 6K Tandem Trailer Axle Suspension Kit Leaf Spring-U-Bolt-Hanger Kit
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The LIBRA 60006K Tandem Trailer Axle Suspension Kit Leaf Spring/U-Bolt/Hanger Kit is an essential part of any trailer. This suspension kit provides an efficient and reliable solution for your trailer and is perfect for everything from recreational to commercial trailers. It has a capacity of 3,000 lbs per each spring, making it perfect for 5,200-6,000 lbs trailer axles. It also comes with a U-bolt kit for 3″ dia round trailer axle, as well as a hanger kit for 1-3/4″ leaf springs. Plus, LIBRA has been supplying the US OEM trailer industry with quality parts that are trusted by major trailer and trailer axle manufacturers for over 16 years.
Why We Like This
Durable and reliable construction: This suspension kit is made with high quality materials that provide long lasting durability and reliability.
Perfect capacity: It has a capacity of 3,000lbs per each spring, making it perfect for 5,200-6,000lbs trailer axles.
Easy installation: This kit comes with everything you need to get it installed quickly and easily.
Variety of sizes available: The kit comes in a variety of sizes to ensure you get the perfect fit for your needs.
Trusted brand: LIBRA has been supplying US OEM trailer industry with quality parts that are trusted by major trailer & trailer axle manufacturers for over 16 years.
Common Questions & Answers
Q1: What is the capacity of this suspension kit?
A1: The LIBRA 60006K Tandem Trailer Axle Suspension Kit Leaf Spring/U-Bolt/Hanger Kit has a capacity of 3,000lbs per each spring which is perfect for 5,200-6,000lbs trailer axles.
Q2: Does this kit come with all the necessary components?
A2: Yes! This kit includes 5,200-7,000lbs axle U-Bolt Kit for 3″ dia round trailer axle as well as Complete tandem trailer axle hanger kit for 1-3/4″ leaf springs so you have everything you need to get it installed quickly and easily.
Q3: Is this suspension kit from a reliable brand?
A3: Yes! LIBRA has been supplying the US OEM trailer industry with quality parts that are trusted by major trailer & trailer axle manufacturers for over 16 years so you can be sure that you're getting a reliable product from a trusted company.Additional Product Information
Rockwell American 3500 lb Idler Trailer Axle Running Gear (Idler Axle W-Hubs, Bearings, Lugs & Nuts, Springs, U-Bolt Kit, Hanger kit. (61 Hubface, 46 Spring Center)
Check Price on Amazon
The Rockwell American 3,500 lb Idler Trailer Axle Running Gear is an excellent choice for any trailer owner. This running gear is made in the USA and comes with a two-year manufacturer's warranty. It includes a 3,500 lb Idler Axle with Hubs, Bearings, Lugs & Nuts, Leaf Springs, U-Bolt Kit, Hanger Kit and 32 oz Johnson Trailer Parts Insulated Mug all with a superior powder coated finish and Posi-Lube Spindles that provide continuous bearing protection. It is available in 5 Lug on 4.5 Bolt Pattern (other bolt patterns available – Contact Johnson Trailer Parts) and fits Dexter, Al-Ko & TK Trailer Axles. With this running gear set you can be sure your trailer will be secure and reliable for years to come.
Why We Like This
Made in the USA
Two year manufacturers warranty
Superior powder coated finish
Posi-Lube spindles provide continuous bearing protection
Available in 5 Lug on 4.5 Bolt Pattern (other bolt patterns available – Contact Johnson Trailer Parts)
Common Questions & Answers
Q: Is this product suitable for Dexter, Al-Ko & TK trailer axles?
A: Yes, it fits these trailer axles perfectly.
Q: Is there a warranty included?
A: Yes, this product comes with a two year manufacturer's warranty.
Q: What is included in this running gear set?
A: This running gear set includes a 3,500 lb Idler Axle w/ Hubs, Bearings, Lugs & Nuts; Leaf Springs; U-Bolt Kit; Hanger Kit; 32 oz Johnson Trailer Parts Insulated Mug; and Posi-Lube Spindles for continuous bearing protection.Additional Product Information
Benefits of Best U Bolts for Trailer Axle
1. Durable: U-bolts are designed to last, meaning they can provide reliable performance and security for a long period of time.
2. Cost-efficient: U-bolts are relatively inexpensive when compared with other types of fasteners, making them an attractive option for many trailer owners.
3. Easy to assemble: Installing U-bolts is a straightforward process that doesnt require special tools or expertise.
4. Secure hold: The design of the U-bolt provides a secure hold on the axle and helps keep it in place, reducing the risk of damage or failure due to vibration or other forces.
5. Versatile: U-bolts can be used in a variety of applications and are available in many different sizes and materials to meet the needs of any trailer owner.
Buying Guide for best u bolts for trailer axle
Types of U Bolts
U bolts are commonly used to secure trailer axles to the frame of the trailer. They come in a variety of shapes and sizes, and it is important to choose the right type for your axle setup. The most common types of U bolts are:
Square U Bolts These are the most popular type, as they provide a strong hold and can be easily adjusted. The square shape also helps spread out force evenly, resulting in less wear and tear on the trailer.
Round U Bolts These are less common, but provide a more secure hold than square U bolts. They are also easier to adjust because they dont require as much force to tighten them down.
Semi-Circular U Bolts These are the least commonly used type, as they dont provide as much grip or security as other types. However, they can be useful if you need a very light duty setup.
Material
U bolts should be made from strong materials that can withstand heavy loads and vibration without wearing down quickly. Common materials for trailer axle U bolts include:
Steel Steel is the most common material for trailer axle u bolts due to its strength and durability. It is also relatively inexpensive compared to other materials, making it a popular choice for budget-conscious buyers.
Stainless Steel This material is incredibly resistant to corrosion and rust, making it ideal for use in wet or marine environments. It is also strong enough to handle heavy loads without deforming or breaking over time. However, stainless steel u-bolts tend to be more expensive than steel ones due to their superior durability.
Aluminum Aluminum u-bolts offer some advantages over steel ones; they are lighter in weight which makes them easier to install, and they tend not to corrode over time like steel does when exposed to moisture or saltwater environments. However, aluminum u-bolts may not be as strong as steel ones so should only be used in light duty applications where strength isnt an issue.
Size
When choosing u bolts for your trailer axle setup it is important that you choose the right size so that they fit properly and securely with no gaps or loose connections between them and your axle components. The size of u bolt you need will depend on your specific application but generally speaking you will want one with an inner diameter (ID) of at least 3/8 and an outer diameter (OD) of at least 7/16 for standard applications (check your specific requirements). If you are using stainless steel or aluminum u-bolts then you may want slightly larger sizes such as 1/2 ID & 9/16 OD respectively for extra strength and rigidity.
Price
The price of a set of u bolts will vary depending on material type, size and quality but generally speaking you should expect to pay anywhere from $5-$30 per set depending on these factors mentioned above (plus any applicable taxes). It may be worth buying several sets so that you have spares available when needed; this way you won't have any unexpected delays caused by having too few u bolts on hand!In conclusion, the best u-bolts for trailer axles depend on the size of the axle and other specifications. Some of the best u-bolts for trailer axles include Grade 8 and Grade 10 steel, as these are strong and durable materials that can withstand a variety of conditions and loads. Additionally, there are u-bolts available in various sizes and configurations to fit a variety of applications, so you should be sure to choose one that is suitable for your specific needs.
