Trailer maintenance is crucial for ensuring a safe and smooth ride. One essential component to consider is the bearing buddy, a device that protects and lubricates your trailer's wheel bearings. Choosing the correct bearing buddy size is imperative to optimize its effectiveness and prevent costly repairs.
Properly sized bearing buddies create a precise seal, preventing contaminants from entering the bearing assembly and extending its lifespan. The National Highway Traffic Safety Administration (NHTSA) estimates that over 60% of trailer accidents are caused by bearing failure. Therefore, choosing the right bearing buddy size is not only beneficial but also critical for safety.
Bearing Size | Buddy Size | Axle Size |
---|---|---|
1 1/16" | 1 1/4" | 2" |
1 3/16" | 1 3/8" | 2 1/2" |
1 1/4" | 1 5/8" | 3" |
Buddy Size | Capacity | Recommended for |
---|---|---|
1 1/4" | 2 oz. | Single-axle trailers |
1 3/8" | 4 oz. | Dual-axle trailers |
1 5/8" | 6 oz. | Triple-axle trailers |
Benefit: Reduces maintenance costs by prolonging wheel bearing life
How to: Install the appropriate bearing buddy size to create a tight seal and minimize bearing wear
Benefit: Ensures optimal protection and lubrication
How to: Measure the inner diameter of the bearing hub where the seal rides and select the bearing buddy size that matches the nearest corresponding inner diameter size
Mistake: Using an undersized bearing buddy
Consequences: Insufficient seal, allowing contaminants to enter the bearing assembly and prematurely damage it
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