How to Pick Out Bearings for a Trailer Hub

Question

Question:

I have a Triton V186 Magnum aluminum bass boat on a Marine Masters single axle trailer.I need wheel bearings for both axles.Im not sure of the axle size.Maybe you could help and recommend a kit.Thank you.

asked by: Jeff H

0

Expert Reply:

To pick out bearings for a trailer hub you will need to remove one of the hubs so that you can remove the bearings and get the numbers off of them.

Or, you can measure the spindle where the bearings ride so that we can pick you out the correct bearings that would fit the spindle.

expert reply by: Jameson C

0

click to enlarge

Answer 1

Thanks for the pictures. The tag does help narrow it down. It appears you have a pair of 2,500 lb axles on your trailer. This means we are likely dealing with an axle with a straight spindle that uses an Inner and outer bearing L44643 (1" inner…

view full answer...

Answer 2

The BTR and BT8 denotations refer to the spindle, not the trailer hub. The difference between a BTR and BT8 spindle is that the BTR spindle uses a 1.063" diameter L44649 bearing and the BT8 spindle uses a 0.99" diameter L44643 bearing. In…

view full answer...

Answer 3

You should still be able to use your spindle without having to replace anything, especially because this is not in the seating areas for the bearings. Regardless, I recommend cleaning off the spindle with emery cloth to try to remove as much of the…

view full answer...

Answer 4

While the BT8 Bearing Kit part #BK1-100 does not come with a washer you would still need to use a washer like the part #5-23. If you are having a hard time getting the nut to thread on with the washer installed you'd need make sure the inner…

view full answer...

Answer 5

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

view full answer...

Answer 6

Yes the bearing kit part #DL21792 is the correct kit for your trailer hub BT-100. This comes with two bearings L44643 like we know fit that hub part number.

view full answer...

Answer 7

We do carry the correct washers and castle nuts for your 1" BT8 spindle #TRU94FR. What you would need is Washer For 1" Spindle #SW1000 and Trailer Spindle Nut 1" #165686.

view full answer...

Answer 8

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

view full answer...

Answer 9

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

view full answer...

Answer 10

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

view full answer...

Answer 11

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

view full answer...

Answer 12

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

view full answer...

How to Pick Out Bearings for a Trailer Hub

Product Page this Question was Asked From

Continue Researching