10 Best High Temp Wheel Bearing Grease 2025 in the United States

The AtomLube Ultra Heavy Duty Red Grease is a versatile high-performance lubricant designed for heavy-duty applications, particularly suitable for semi truck wheel bearings. It boasts an NLGI Grade of #2, indicating a good consistency for general-purpose grease applications. The grease is engineered to handle extreme pressures and high temperatures, making it ideal for demanding environments.

Its strong adhesive properties ensure it stays in place even under severe conditions, reducing the need for frequent reapplication. Additionally, it is waterproof and offers robust protection against corrosion and oxidation, thereby prolonging the life of the equipment it is used on. The product meets the NLGI GC-LB performance classification, which is a trusted standard for automotive wheel bearing and chassis grease.

The 2-pack of 14 oz. tubes offers a convenient supply for regular maintenance needs. This product appears to be a solid choice for those needing a durable and reliable grease for high-temp and heavy-duty applications, especially in the automotive sector.

The TRIAX Spheron Grease stands out in the high-temp wheel bearing grease category due to its impressive temperature range and durability in extreme conditions. With a high operational temperature of -30°F to 450°F and a drop point exceeding 600°F, this grease is well-suited for high-temperature applications such as disk brakes and wheel hub bearings.

It offers exceptional shear stability and film strength, ensuring it won't break down under heavy lateral friction or severe loading, making it ideal for heavy-duty uses like semi-truck 5th wheels, U-joints, and pivot joints. Its extreme pressure rating of over 700 kg-f further emphasizes its robustness in demanding conditions. Additionally, the product's high tackiness and adhesion properties ensure it stays in place, even in high humidity or direct water contact, with less than 1% washout, making it virtually waterproof and resistant to corrosion.

The grease's GC-LB certification indicates its high quality and suitability for various applications, from wheel bearings to chassis lubrication. On the downside, the product's specific uses are geared more towards heavy-duty and trucking applications, which might be overkill for standard automotive needs. Furthermore, being a specialty product, it might come at a higher price point compared to more general-purpose greases. Nonetheless, for those needing reliable, high-performing grease in extreme conditions, the TRIAX Spheron Grease is a strong contender.

The Republic Oil Red High Temp #2 Grease is a versatile multi-purpose lubricant designed for demanding applications such as wheel bearings, chassis service, 5th wheels, and various machinery in agriculture and construction. It is formulated with a red lithium complex and has a high dropping point of 500°F, making it suitable for high-temperature environments. This grease is rated as NLGI Grade 2, which is common for automotive and industrial lubricants, providing a good balance of thickness and flowability.

One of its standout features is its excellent adherence, which ensures it stays in place even under extreme conditions. Its high water washout resistance and rust and corrosion prevention properties further enhance its durability and reliability, even in wet or humid environments. Additionally, it offers exceptional anti-wear and antifriction control, protecting moving parts from damage and reducing maintenance needs.

Because it is a high-temp grease, it might be overkill for less demanding applications, potentially not offering a cost-effective solution for simpler tasks. The packaging in tubes makes it easy to apply, though some users might find the size (14oz) requires frequent replacements for larger projects. Weighing in at 11 pounds for 10 tubes, it is relatively heavy, suggesting robust and quality content. This product is best suited for those needing a heavy-duty, reliable grease for high-temperature and high-pressure environments.