Bearing buddies are devices designed to protect trailer wheel bearings from dirt, water, and other contaminants. They consist of a cap that fits over the bearing housing and a grease reservoir that supplies grease to the bearings.
Studies by the National Highway Traffic Safety Administration (NHTSA) indicate that bearing failure is responsible for around 80% of trailer accidents.
Installing bearing buddies is crucial for the following reasons:
There are two main types of bearing buddies:
Type | Description |
---|---|
Spring-loaded: These bearing buddies use a spring to push grease into the bearing housing. | Hydraulic: These bearing buddies use hydraulic pressure to force grease into the bearing housing. |
When selecting bearing buddies, consider the following factors:
The Overzealous Grease Monkey: A trailer owner was so enthusiastic about installing bearing buddies that he overfilled the reservoir. As he drove, the excess grease spewed out from the bearing buddy and covered everything in its path, including a nearby car.
Lesson: Don't overfill bearing buddies.
The Bearing Buddy Bandit: A group of adventurous kids decided to "borrow" bearing buddies from parked trailers in a trailer park. They hid the bearing buddies in their secret stash and used them as toys.
Lesson: Always secure bearing buddies to prevent theft.
The Grease Gun Mishap: A newbie trailer mechanic was filling a bearing buddy when the grease gun slipped, sending a blast of grease right into his eye.
Lesson: Wear safety glasses when using a grease gun.
How often should I service bearing buddies?
Inspect bearing buddies every 3,000-5,000 miles and lubricate them with grease.
How much grease should I add to bearing buddies?
Fill the grease reservoir until it reaches the fill line.
What type of grease should I use in bearing buddies?
Use a high-quality marine or automotive grease specifically designed for wheel bearings.
Can I install bearing buddies on my own?
Yes, installing bearing buddies is a relatively simple task that can be completed by most DIY enthusiasts with basic tools.
What are the signs of failing bearing buddies?
Signs of failing bearing buddies include grease leaks, excessive noise, and heat generation.
How long do bearing buddies last?
Bearing buddies typically last for several years with proper maintenance.
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