So always pick a wheel bearing grease that is designed for the temperatures of your application to avoid grease leaking out of the bearings.
Wheel bearing grease leak.
Inside the wheel bearing is a tremendous amount of grease that keeps the bearings running smooth cool and free.
Your wheel bearings were probably originally lubed with a lithium 12 complex grease a perfectly good grease for wheel bearing use even on a boat trailer if it s maintained.
Just a quick video on what i do to maintain and keep grease in the bearings on a trailer.
Be sure to follow the manufacturers directions for properly filling your hubs with the bearing protectors.
When using the bearing protectors over filling the hub with grease will cause grease to be pushed past the seal at the back of the hub.
High performance vehicles that drive through water regularly will need water resistant grease to protect the wheel bearings from oxidization.
The wheel seal is supposed to fit very tight in the wheel assembly and protects the wheel bearings from dirt water and other debris that can cause damage.
The bearings that support the wheel ends are heavy duty and able to handle most any load you can put in or tow with your ford super duty.