How do bearing buddies work

Do they really get the grease all the way into that inner bearing because they exert a little pressure. Bearing buddies are grease-based protective covers that go over the bearing of a wheel on a boat trailer.

The Bearing Buddies are designed to protect your bearings by keeping water and dirt out of the hubs and bearings and ensuring there is enough grease inside the hub.

How do bearing buddies work. How Genuine Bearing Buddy Works The axle hub is filled with grease until the grease forces the Bearing Buddy piston outward about 18 inch. Because the piston is spring loaded the piston exerts a slight 3 PSI pressure against the grease which maintains a slight pressure between the inside of the hub and the outside environment. How a Bearing Buddy Works.

HOW BEARING BUDDY WORKS. The axle hub is filled with grease until the grease forces the Bearing Buddy piston outward about 18 inch. Because the piston is spring loaded the piston exerts a slight 3 psi pressure against the grease which maintains a slight pressure between the inside of the hub and the outside.

This is an explanation of how Bearing Buddies work and how the axle on my trailer is different with being a greasable spindle. Do Bearing Buddies work. Bearing Buddies do help at keeping water out of the bearings by keeping them under a slight pressure.

They dont however work well at getting new grease to the bearings themselves. If the rear seal is in good condition it will not allow the new grease to flow through the bearings. Bearing buddies are really designed for boat trailers since they go thru the thermal expansion contraction cycles much quicker then other trailers.

The sudden contraction from the water cooling air inside the hub will either pull water in past the seals no BB or pull the grease towards the center of the hub while the spring loaded end moves inward decreasing the total. Bearing Buddy is a system of trailer bearing protectors designed to replace your standard bearing dust caps and keep moisture and dirt out of your bearings. The Bearing Buddies are designed to protect your bearings by keeping water and dirt out of the hubs and bearings and ensuring there is enough grease inside the hub.

If you are not experiencing any problems or visually see any grease leaking out of the hub then you shouldnt have to repack your bearings regularly. Bearing Buddy pumps grease into the center of the hub all the way back to the grease seal. A double lip seal should be used to prevent grease from blowing out the seal when added.

When the hub and seals and bearings are first assembled they should be packed. After a period of time and when you want to maintain the grease on the bearings the. Yeago ahead and use Bearing Buddies.

My mechanics need all the work they can getD Dont be lazy. Repack your trailer bearings at least once a year or dont and come see me for repairs and parts. I use Bearing Buddies only cause they come in stainless and look nice.

Repack my bearings once a year and NEVER pump grease in them. What do you guys think of them. How often do you grease themI know if you grease to much you will blow out the seal.

Is one brand better than another. OR are you better off with dust caps and clean and repack hubs every yearWith bearing buddys I did it every 2yearsThoughts I just spent 50000 on a new axle and hubs. Etrailer Bearing Buddy Bearing Protectors Installation - YouTube.

Basically they are a spring loaded device that pushes the grease at about 3-4 psi or so against bearings to keep water out when launching into and retrieving from water. The warm hubs suddenly contract when they hit the cool water creating a vacuum sucking water in. The bearing buddy helps prevent this.

Hi Guys Im picking up my new boat in March and it comes with Bearing Buddies. I was wondering what others think about these devices. Do they really get the grease all the way into that inner bearing because they exert a little pressure.

Bearing buddies are grease-based protective covers that go over the bearing of a wheel on a boat trailer. They are there to ensure that the wheel bearing is always covered in grease. In order to service or replace the wheel bearings on a boat trailer it will be necessary to remove the bearing buddies from the wheel hub.

On a new Continental trailer I recently ordered I wised up and specified plain spindles and Bearing Buddies as an alternate to the Spindle Lube axles they now furnish as standard equipment since Bearing Buddies have been working for me for 20 years now and I am comfortable with them. Just dont mix and match the two systems. Bearing Buddies put grease on the front of the outer bearing.

They rely on the heat of a spinning hub to melt the grease so that it flows through the hub. Either way you are over greasing your bearings and will eventually spit the grease out of the seal. With the bearing buddy as the pressure in the hub reduces the spring loaded plunger pushes grease into the hub to compensate.

If you do not have the bearing buddy pumped up a little or do not have them when you back into the cold water you may draw water into the hub and into the bearings. Bearing Buddy is held in the hub by an interference fit. To remove Bearing Buddy lay a block of wood against the side of it and strike the wood with a hammer.

Place the wood on the opposite side and hit again. Continue this procedure until you walk the Bearing Buddy out of the hub. Dont disassemble the Bearing Buddy to attempt to remove it.

To keep excess grease in and dirt out we use the Bearing Buddy BRA. They are super simple to install. Place the BRA over the Bearing Buddy and using your thumb press the center of the BRA until it slides into place.

Pressing in the center of the BRA expels the air and creates a snug fit. Bearing Buddies are nothing more than a cap for the axle with a spring loaded disc inside. When you pump grease into them you put outward pressure on the disc which is supposed to in theory keep forcing grease into the bearings and keep out water.

There are no spring loaded seals that go on the backside. With the washer nut on spin the wheel several times pull the washer nut off and squirt more in the cavity. If the seals do not have the spring around the wiper edge of the seal then you should not be using bearing buddies they sell two kind of seals.

If the seals do not have the spring the bearing buddie will blow out the seal and you. The Bearing Buddies are designed to protect your bearings by keeping water and dirt out of the hubs and bearings and ensuring there is enough grease inside the hub. The Bearing Buddies are designed to protect your bearings by keeping water and dirt out of the hubs and bearings and ensuring there is enough grease inside the hub.