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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.

...The axle nut appears to be 1 inch how do I know what size hub to buy ? its 5 lug and has 13 inch tires on it...

Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the…

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…

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…

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

...were looking at. These have a 5 on 4-1/2 lug nut pattern and are sold individually. For brakes you'll want the etrailer Electric Trailer Brakes item # AKEBRK-35. These attach to a 4 bolt mounting flange...

...idler hub for an example. The part # AKIHUB-545-35-G-EZ-K is an idler hub that is rated for 3,500 lb axles. It has a Galvanized finish and uses a 5 on 4-1/2 inch bolt pattern for the wheels. It uses...

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…

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…

You will need to measure the diameter of the spindles where the seal and bearings ride. Check out the picture I attached that shows where this is. You will need an exact measurement so either a digital or dial caliper will be needed. To pick out the…

...the hub with one that has a common bolt pattern like the 5 on 4-1/2 found on the # AKIHUB-555-35-K you looked at. If you want to double check your measurement I went ahead and attached a help article...