Does Using Bearing Buddy Replace Need for Trailer Hub Grease Seal

Question

Question:

When using a bearing buddy do you need an outer bearing seal?

asked by: Rick I

0

Expert Reply:

The Bearing Buddy like the part # BB2717 replaces the grease cap/dust cover which acts as a seal on the outside of the hub, but the inner seal would still be used.

expert reply by: Jameson C

0

click to enlarge

Answer 1

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…

view full answer...

Answer 2

Yes, you will want to add Grease #L11390 to your grease zerk after you repack your Bearings #BK3-300. This will ensure the the entire hub is full of grease. I recommend keeping a separate Grease Gun #L30416 with the trailer so you will be able to…

view full answer...

Answer 3

The portion you need to measure is not the cap, but the the hub bore. Remove the grease caps and measure the diameter of the opening the caps occupy. This is the hub bore. You will need an accurate measuring devices like a set of dial calipers that…

view full answer...

Answer 4

Standard tapered trailer wheel bearings are recommended to be re-packed with fresh bearing grease about every year or every 12,000 miles under normal use. In certain conditions this interval could be shorter, such as if you routinely tow the trailer…

view full answer...

Answer 5

A 14 oz container like the part #L11390 would be more than enough to grease your hubs. For a grease gun you would want part #L30200. Here's how to grease everything upon initial installation. First, grease your bearings and spindle by hand or…

view full answer...

Answer 6

Standard tapered trailer wheel bearings are recommended to be re-packed with fresh bearing grease about every year or every 12,000 miles under normal use. In certain conditions this interval could be shorter, such as if you routinely tow the trailer…

view full answer...

Answer 7

Bearing Buddies aren't ideal for getting grease through the outer bearing to the inner bearing. Typically the amount of pressure required to get the grease that far would end up eventually blowing out the seal or pushing off the Bearing Buddy.…

view full answer...

Answer 8

F78-14 is an old size designation and equates to a 205/75-14 tire size so you will want to look at tires in this size. I have included a link to them for you. Since you will be towing approximately 5,000 pounds gross trailer weight and have 4 tires…

view full answer...

Answer 9

The great thing about Bearing Buddy like part #BB1781 is that when you add grease to your system with the included fitting, it will move the spring-loaded piston outward and allow grease to seep around the edges to keep from damaging the seal. You…

view full answer...

Answer 10

The 3,500 pound hubs #84655UC1 use bearings #L68149 and #L44649 which are for a #84 spindle. A #84 spindle has the following measurements: A 1.75 inches B 1.73 inches C 1.38 inches D 1.06 inches E 1.00 inches If your current spindles have the same…

view full answer...

Answer 11

The F78-15 tire size you have is basically the exact same as the 205/75-15 tire size. The tire I would recommend to replace yours would be the #TTWTRTM2057515C because it is a radial tire which is preferred over bias-ply and because it has a higher…

view full answer...

Answer 12

Trailer tires that are the same size but with different load ratings will have different capacities. A load range C tire will have a higher capacity than a load range B tire of the same size. The Kenda 4.80-12 Bias Trailer Tire with 12 Inch White…

view full answer...

Does Using Bearing Buddy Replace Need for Trailer Hub Grease Seal

Product Page this Question was Asked From

Featured Help Information

Miscellaneous Media

Continue Researching