Grease for trailer bearings is a specialized lubricant designed to reduce friction and wear on trailer wheel bearings. Essential for maintaining the longevity and performance of trailer bearings, it protects against corrosion, withstands high temperatures, and ensures smooth rotation.
Here are the key features to look for:
- Type of Bearing Grease: We explored various types, including lithium complex, calcium sulfonate, and polyurea greases, assessing their compatibility with different trailer bearings and their effectiveness in various conditions.
- Temperature and Pressure Rating: The greases we selected have temperature ratings ranging from -20°F to over 400°F, and pressure ratings that ensure they can withstand the extreme forces exerted on trailer bearings during towing.
- Viscosity: Viscosity levels were carefully considered, with our selection including greases of varying thicknesses to suit different bearing sizes and load requirements. This ensures that whether your trailer is used for light-duty hauling or heavy loads, we have a grease recommendation that fits.
Prevent early bearing replacement with our top grease picks for trailer bearings. Consult our “Buying Guide” for expert advice.
Best Grease For Trailer Bearings Table
| Grease For Trailer Bearings | Quantity | No. of Packs | Buy Now |
|---|---|---|---|
| Super Lube Grease | 3 Ounces | 1 | Check On Amazon |
| Valvoline Grease | 14.1 Ounces | 1 | Check On Amazon |
| Lucas Grease | 16 Ounces | 1 | Check On Amazon |
| STAR Grease | 14 Ounces | 1 | Check On Amazon |
| Quicksilver Grease | 8 Ounces | 1 | Check On Amazon |
| Wheel Grease | 14 Ounces | 1 | Check On Amazon |
| AtomLube Grease | 14 Ounces | 2 | Check On Amazon |
Best Grease For Trailer Bearings Reviews
1. Super Lube Grease
There are many different options available out there for a basic bearing grease that can work well for many vehicles. The following option from Super Lube is one such option and the most popular one at that.
The Super Lube 21030 is the most popular option that we have for you today on our list of the best grease for trailer bearings. This is a rather small package of bearing grease suitable for a couple of applications. You will get 3 ounces of compound in the tube, which should be sufficient for a single vehicle at a time. The compound itself is a patented synthetic NLGI-grade grease created for heavy-duty applications.
The Super Lube 21030 is also a multi-purpose grease for trailer bearings that can be used for many different types of applications apart from vehicle bearings. With the food grade rating, the Super Lube 21030 becomes compatible with agricultural applications as well. Apart from that, it also has an NSF rating H-1, which ensures its overall safety and resistance to evaporation and leakage.
Best Features
- 3 ounces of grease compound available
- Ships in a single package
- The temperature range is from -45°F to +450°F
- It has NSF rating H-1
Pros
- Most commonly available bearing grease on the market
- Compound has food-grade rating
- Patented NLGI grade lubricant
Cons
- Not the best option for larger applications
2. Valvoline Grease
When you are buying a chemical compound for maintenance of your vehicle, you should only trust the options from a reliable brand like Valvoline. There are many popular products distributed by Valvoline including this trailer-bearing grease.
The Valvoline Moly-Fortified Gray Full Synthetic Grease is our 2nd choice for this list and yet another popular option that you may already be familiar with. This is a rather large package for a grease compound and best suited for multiple applications. And with the extended shelf life, you can also keep it safely in your garage for multiple applications. This is a fully synthetic grease for bearings that minimizes the possibility of performance degradation over time.
The Valvoline Moly-Fortified Gray Full Synthetic Grease is specifically designed to be compatible with all US-based as well as Japanese vehicle brands. So, it covers almost all standard vehicles on the market right now. Another benefit of getting the Valvoline Moly-Fortified Gray Full Synthetic Grease is its high-temperature range. It works between -60°F to 425°F temperature range without any changes in its chemical or physical properties. It also contains a chemical called moly that increases its strength and adds heavy resistance to the film’s strength.
Best Features
- 1 ounces of grease compound available
- Ships in a single package
- Suitable for high-pressure applications
- Works between -60°F to 425°F range
Pros
- Large quantity available for multiple applications
- Shelf life is pretty good
- High-temperature range
Cons
- Quantity might is too much for a single application
3. Lucas Grease
Lucas Oil is also a preferred option for vehicle accessories for thousands of individuals as the products made by Lucas Oil are highly reliable as well as affordable. Today, Lucas Oil is bringing the most affordable option for a trailer bearing grease in terms of quantity.
If you are wondering if the standard quantity available with almost all packages of trailer bearing grease is sufficient for you or not, don’t worry. We have the best option available right here from Lucas Oil Red”N” Tacky Grease that you can use for personal as well as commercial applications. In this package, you will receive up to about 16 ounces of grease which is enough to last at least a year, or more for a single vehicle.
Another great benefit of applying the Lucas Oil Red” N” Tacky Grease is that you will get the best protection against rust and oxidation problems which are quite common for a trailer bearing. This solution also includes a red lithium complex that offers water resistance and washout properties. The mechanical stability of the grease is also pretty good and offers long-lasting support under heavy load.
Best Features
- 16 ounces of grease compound available
- Ships in a single package
- Red lithium complex for added water and rust resistance
- Excellent mechanical properties
Pros
- Can be used for agricultural, automotive, and industrial applications
- High degree of extreme pressure additives
- Load capacity is pretty good
Cons
- Quantity is not suitable for one-time application
4. STAR Grease
On the other hand, if you want an affordable alternative for basic applications, you can go with the following option from STAR BRITE. This is also a great choice for a long-term application within an affordable price range.
The STAR BRITE Trailer Marine Grease is also one of the affordable choices on our list today that offers almost all the features that you would expect from a premium option. It brings water resistance, rust and corrosion protection, and extended wear protection on your bearings. Also, the temperature range of the STAR BRITE Trailer Marine Grease is 0°F to 325°F, which is pretty much what the bearings usually go through under normal conditions.
Apart from vehicle bearings, the STAR BRITE Trailer Marine Grease is also compatible with winches, hatch hinges, and pumps. And to ensure compatibility with multiple applications, the STAR BRITE Trailer Marine Grease also meets ASTM D4950 GC-LB requirements. And since the compound is created in the USA, you can expect good quality and performance from the solution. You will also get 14 ounces of quantity with the STAR BRITE Trailer Marine Grease
Best Features
- 14 ounces of grease compound available
- Ships in a single package
- 0°F to 325°F working temperature range
- Meets the ASTM D4950 GC-LB standards
Pros
- Available in a large quantity
- Quite an affordable choice compared to other grease compounds
- Also compatible with winches, hatch hinges, pumps, and other components
Cons
- Temperature rating is slightly higher with other options
5. Quicksilver Grease
While we ar e on the topic of multipurpose trailer bearing grease, you should also check out the following option from Quicksilver. This compound is also suitable for a wide range of applications and available in a small package.
If you are planning to use trailer bearing grease for only a single trailer, you should go with a smaller package so as to avoid the hassle of storing the solution for a long time. For that, the Quicksilver 802859Q1 2-4-C Marine Grease will be the best choice. This is a small tube of trailer-bearing grease offering around 8 ounces of compound in a single package. Still, the grease available with the Quicksilver 802859Q1 2-4-C Marine Grease pack is an NLGI 2 marine grease based on a lithium compound.
So, you can expect a strong durability front solution and extended performance even after frequent water contact. Apart from the bearings, the Quicksilver 802859Q1 2-4-C Marine Grease is also well-suited for a wide range of applications such as steering wheel cables, throttle cables, locking mechanisms, swivel pins, and much more. It also has extreme pressure additives that manage to keep the solution intact under heavy pressure.
Best Features
- 8 ounces of grease compound available
- Ships in a single package
- Easy to use and suitable for a single application
- Manages to keep the bearings safe from water contact and corrosion
Pros
- Lithium-based NLGI 2 grease
- Works ideally even after frequent water contact
- Includes extreme pressure additives
Cons
- Quality is inefficient for multiple applications
6. Wheel Grease
GREASECO is bringing a fine option for our list of the best trailer bearing grease. This is one of the most viscous options you can find on the market right now.
Now that you are familiar with the affordable range of options for the best trailer bearing grease, let us talk about some of the premium options that we are including for those who use their trailer for commercial applications. The GREASECO Wheel Bearing Grease is specifically made for such heavy-duty applications, offering load capacity of about 315 Kg and a temperature range of up to 500°F for reliability in all weather conditions.
It also has up to 3% water washout rating which prevents the grease from getting washed out at the time of vehicle cleaning. Just like a few other options on this list, the GREASECO Wheel Bearing Grease is also made up of a lithium complex to offer a viscous and compatibility with multiple applications. You will be able to use the GREASECO Wheel Bearing Grease with axle, trailer wheels, tie rods, gears, and many other components.
Best Features
- 14 ounces of grease compound available
- Ships in a single package
- Compatible with a wide range of applications
- It has water washout rating of 3%
Pros
- Maximum load capacity is up to 315 Kg
- Temperature range goes up to 500°F
- Lithium-based grease compound
Cons
- Comparatively expensive than other similar quantity options
7. AtomLube Grease
The best options for a bearing grease in terms of storage life are the ones that are distributed in multiple packages. AtomLube also offers this option so that you can keep the second pack sealed for extended shelf life.
The AtomLube All Purpose Grease, as the name suggests, would be the best option for you if you want to use the grease for multiple applications. You will get 2 packs of bearing grease in this set, offering a total quantity of about 14 ounces. So, you can keep one of the packs at a time and keep one stored in intact condition until needed.
The AtomLube All Purpose Grease is also designed and developed in the USA, so won’t find the quality and performance of the compound doubtful. It also brings high resistance to oxidation to avoid problems like rust and corrosion. On top of that, you will also get high resistance to high temperature and washout guarantee as well.
Best Features
- 14 ounces of grease compound available
- Ships in a 2 packages
- NLGI certified compound
- High-performance lubricant with resistance to high temperature
Pros
- Available in 2 different packs for extended shelf life
- Made in the the USA
- 10-pack option is also available for commercial applications
Cons
- Other options are much more affordable
Buying Guide For The Best Grease For Trailer Bearings
When selecting the best grease for trailer bearings, it’s essential to consider several critical factors to ensure optimal performance and longevity of your bearings. Here’s a detailed look at the key aspects to keep in mind:
1. Type of Bearing Grease
Why it Matters: The composition of bearing grease affects its ability to lubricate and protect bearings under various conditions. Different types of grease are formulated to meet specific requirements, such as resistance to water, ability to handle high temperatures, and compatibility with various materials.
What to Look For: Look for grease types specifically designed for trailer bearings, which typically include lithium complex, calcium sulfonate, or polyurea greases. These types offer good water resistance, high-temperature stability, and are suitable for the high-load conditions trailers often encounter.
2. Temperature and Pressure Rating
Why it Matters: Trailers are exposed to a wide range of temperatures and pressures, especially during long hauls or in harsh weather conditions. The grease must withstand these conditions without breaking down or losing its lubricating properties.
What to Look For: Check the grease’s temperature rating, ensuring it can handle both the high temperatures generated by the bearings under load and the ambient temperatures you expect to encounter. A high drop point (the temperature at which grease becomes liquid) of over 500°F is desirable. Additionally, ensure the grease can withstand the pressures your trailer bearings will face, indicated by its NLGI (National Lubricating Grease Institute) grade, with grades 2 or 3 being suitable for most trailer bearings.
3. Viscosity
Why it Matters: Viscosity is a measure of a fluid’s resistance to flow. In greases, it determines how well the grease will maintain a lubricating film under load and at various temperatures. Proper viscosity is crucial for ensuring the grease stays in place and provides continuous lubrication to the bearings.
What to Look For: Select a grease with a viscosity appropriate for your bearing size and the speed at which they operate. For trailer bearings, which typically operate at moderate to high speeds and under considerable loads, a grease with a medium to high viscosity index is ideal. This ensures the grease maintains its protective film over a wide temperature range without becoming too fluid or too stiff.
4. Base Oil
Why it Matters: The base oil is a critical component of grease, significantly affecting its overall performance. It determines the grease’s resistance to oxidation, its operating temperature range, and its ability to lubricate under various conditions. The choice of base oil impacts the grease’s suitability for specific applications, including the high demands of trailer bearings.
What to Look For: Identify the type of base oil used in the grease, which can be mineral, synthetic, or a blend of both. Synthetic oils generally offer better performance at extreme temperatures and have superior oxidation stability compared to mineral oils. Look for base oils with a high viscosity index, indicating their ability to maintain effective lubrication over a broad temperature range. The specific application of your trailer (e.g., long-haul vs. short trips, exposure to extreme conditions) will guide your choice.
5. Thickener
Why it Matters: The thickener acts like a sponge, holding the base oil in place and releasing it gradually to lubricate the bearings. The type of thickener used affects the grease’s temperature tolerance, water resistance, and mechanical stability.
What to Look For: Common thickeners include lithium, lithium complex, calcium sulfonate, and polyurea. Lithium and lithium complex greases are popular for their good performance in a variety of conditions, including being suitable for high-temperature applications. Calcium sulfonate greases offer excellent water resistance and are ideal for trailers frequently exposed to wet conditions. Polyurea greases are known for their high-temperature stability and long service life. Choose a thickener compatible with the environmental and operational conditions your trailer bearings will face.
6. Quantity
Why it Matters: The quantity of grease you need is determined by the size of your trailer’s bearings and the frequency of maintenance. Buying the correct quantity ensures you have enough grease for regular maintenance while avoiding waste or the need for frequent purchases.
What to Look For: Grease typically comes in tubes for grease guns, smaller tubs, or larger buckets. Consider the number of bearings you need to maintain and the recommended service intervals. For most personal or light commercial use trailers, tubes may be sufficient. However, for fleets or multiple trailers, larger quantities can be more cost-effective. Ensure you select a quantity that matches your maintenance schedule and the number of trailers you’re servicing.
Grease for Trailer Bearing – FAQs
Ans: The best type of grease to use for trailer bearings would be the one with a high-quality compound offering water resistance along with a reduction in friction. There are a lot of grease compounds available on the market, but not all options are specifically designed for wheel bearings. These types of grease are formulated to withstand the high temperatures and heavy loads experienced by trailer bearings and can help to prevent corrosion and wear on the bearings. It is important to choose a grease that meets the manufacturer’s recommended specifications for your trailer’s bearings.
Ans: It is generally recommended to grease trailer bearings every 10,000 to 12,000 miles or every year, whichever comes first. This can vary depending on the specific conditions in which the trailer is used, such as the amount of weight being carried and the frequency of use. It is important to regularly check and maintain the bearings to ensure optimal performance and extend their lifespan. If you notice any unusual noise or vibration coming from the bearings, it is a good idea to have them checked out and possibly re-greased sooner rather than later.
Ans: While regular automotive grease may be suitable for use in some applications, it is generally not recommended for use in trailer bearings. Trailer bearings are subjected to higher loads and temperatures than most automotive applications, and regular automotive grease may not provide sufficient protection or performance in these conditions. It is best to use a high-quality, water-resistant grease specifically designed for wheel bearings to ensure optimal performance and protection for your trailer bearings. Using the wrong type of grease can lead to premature bearing failure and costly repairs.
Conclusion
In our guide, we’ve carefully selected the best greases for trailer bearings, focusing on factors like viscosity, base oil, thickener, and additives. Here’s a brief overview:
- Super Lube Grease: Ideal for quick maintenance tasks, this synthetic, multi-purpose, food-grade grease is perfect for small applications.
- Lucas Oil Red”N” Tacky Grease: With its smooth texture and red lithium complex, this grease provides excellent rust and oxidation protection. It’s versatile for various uses beyond just trailer bearings.
- Plews & Edelmann Marine Grease: This grease uses calcium sulfonate for superior lubrication and can withstand temperatures up to 550°F, making it great for different weather conditions.
Choose based on your trailer’s needs and how often you’ll use the grease, ensuring compatibility and optimal performance.
