I was an RV service manager for many years. I may be a little old school but I prefer hand or injector packing verses pumping grease through a zerk fitting. I've seen to many hubs over filled with grease, seal blown out and bearings overheated. Just ...
Timken bearings are the way to go.A friend told me about using polished Timken bearings and the benefits of reducing the drag of standard bearings. I was skeptical but upon watching the videos and installing the bearings. I'll never go back...Got my ...