
Bearing buddies are a type of bearing protector that can be used on boat trailers. They are designed to keep water and dirt out of the trailer's bearings and to ensure proper grease levels in the hub. Bearing buddies are made of stainless steel and provide excellent corrosion resistance. Some people consider them a necessity for grease-lubricated bearings on boat trailers, while others believe they offer no extra benefit over a standard rubber plug or steel cap.
| Characteristics | Values |
|---|---|
| Use | Perfect addition to boat trailers |
| Supplier | Agri Supply® |
| Material | Stainless steel |
| Benefits | Corrosion resistance, keeps water and dirt out, ensures proper grease levels in the hub |
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What You'll Learn

Bearing Buddy® is perfect for boat trailers
Bearing Buddy® is the perfect addition to your boat trailer. It is an exclusive product sold by Agri Supply® and can be used on camping trailers, utility trailers and horse trailers too.
Bearing Buddy® protectors are ideal for boat trailers as they are designed to keep water and dirt out and ensure proper grease levels in the hub. They maintain slight, controlled pressure (3 psi) with a spring-loaded piston, preventing water from entering the hub. This also prevents overfilling and rear seal damage with an automatic pressure relief feature.
Bearing Buddy® is a necessity for grease-lubricated bearings on boat trailers. They are a glorified cap, but they keep pressure inside, which in theory, keeps water out.
Bearing Buddy® is made of stainless steel, which provides excellent corrosion resistance.
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Bearing buddies are a necessity for grease-lubricated bearings
Bearing buddies are an easy way to maintain your trailer's bearings. They keep the axle hub filled with grease, which in turn keeps the bearings lubricated. This is important as it reduces friction and wear on the bearings, extending their lifespan.
In addition, bearing buddies help to prevent overfilling and rear seal damage with their automatic pressure relief feature. When the axle hub is full, the grease forces the piston outward about 1/8 inch, maintaining slight, controlled pressure (3 psi) and preventing water from entering the hub.
While some may argue that bearing buddies are a glorified cap, they do offer benefits over standard rubber plugs or steel caps. They keep pressure inside, which in theory, keeps water out. This is especially important for boat trailers, as they are constantly exposed to water.
Overall, bearing buddies are a worthwhile investment for anyone with a boat trailer. They help to protect your trailer's bearings, ensure proper grease levels, and prevent corrosion. By keeping your bearings in good condition, you can extend the lifespan of your trailer and ensure safe towing.
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Bearing buddies are glorified caps
Bearing buddies are easy to use. You simply fill the axle hub with grease until the grease forces the piston outward about 1/8 inch. This maintains slight, controlled pressure (3 psi) with a spring-loaded piston, preventing water from entering the hub. They also prevent overfilling and rear seal damage with an automatic pressure relief feature.
However, some people consider bearing buddies to be a thing of the past. They argue that bearing buddies serve no extra benefit over a standard rubber plug or steel cap. Repacking bearings is a dirty, thankless job, but it is important to use a good grease designed for boat trailers.
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Bearing buddies are perfect for corrosion resistance
Bearing buddies are an exclusive product sold by Agri Supply. They are available in a range of sizes to fit any kind of trailer, including boat trailers.
Bearing buddies are made of stainless steel, which provides excellent corrosion resistance. They maintain slight, controlled pressure (3 psi) with a spring-loaded piston, which prevents water from entering the hub. This also prevents overfilling and rear seal damage with an automatic pressure relief feature.
The axle hub is filled with grease until the grease forces the piston outward about 1/8 inch. This helps to keep the bearings lubricated and protected from corrosion.
While some people consider bearing buddies to be a necessity for boat trailers, others argue that they are simply a glorified cap that serves no extra benefit over a standard rubber plug or steel cap. However, for those who want an easy way to protect their trailer bearings and ensure proper grease levels, bearing buddies can be a useful solution.
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Bearing buddies are available from Agri Supply®
Agri Supply® is an exclusive supplier of the Bearing Buddy® and can help you get the size you need for any kind of trailer. You can find the Bearing Buddy® in the large trailer parts section at Agri Supply®.
Trailer Buddy bearing protectors are another option for boat trailers. They are made of stainless steel and provide excellent corrosion resistance. They maintain slight, controlled pressure (3 psi) with a spring-loaded piston, preventing water from entering the hub. They also prevent overfilling and rear seal damage with an automatic pressure relief feature. The axle hub is filled with grease until the grease forces the piston outward about 1/8 inch.
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Frequently asked questions
Bearing buddies are a type of cap that can be used to protect the bearings on boat trailers. They are designed to keep water and dirt out and ensure proper grease levels in the hub.
Bearing buddies maintain slight, controlled pressure (3 psi) with a spring-loaded piston, which prevents water from entering the hub. They also prevent overfilling and rear seal damage with an automatic pressure relief feature.
Some people consider bearing buddies a necessity for grease-lubricated bearings on boat trailers, while others believe they serve no extra benefit over a standard rubber plug or steel cap. Ultimately, it is up to the individual to decide whether or not to use bearing buddies on their boat trailer.











































