Oil Seals and Outer Cap To Change From Grease Axle Bearing To Oil  

The main reason people like oil bath hubs over grease hubs is the oil bath hubs have a less involved maintenance schedule than grease hubs. It is recommended to inspect and repack grease wheel bearings and seals every 12k miles. With oil bath hubs,…

Thanks for the picture of your axle sticker. From that I can tell that your 2017 Grand Design Momentum 376TH has 7k axles which is exactly what the HydraStar Disc brake kit part #HSE7K-TR1 was designed to fit so it would work great on your trailer…

The HydraStar Disc Brake Kit w/ Actuator for Triple Axle Trailers part #HSE7K-TR1SO is an excellent option to add disc brakes to a triple axle trailer. The 14125A outer bearing tells me you have a 5,200 lb to 7,000 lb axle so the above kit should…

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.

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…

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…

The Kodiak XL ProLube Kit #XLPROLUBE2440KIT will work with your 7,000 lb. idler hubs as long as your existing hub features a 2.440 hub bore diameter where cap fits (it should). This kit includes 2 seals that have an inner diameter of 2.25 inches so…

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…

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…

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…