How to pack wheel bearings on boat trailer?

How do you repack wheel bearings on a boat trailer?


How often should you repack boat trailer bearings?

once annually

How often should you repack your trailer bearings? The axle manufacturers recommend that you repack your trailer bearings once annually or every 12,000 km.

How do you pack trailer wheel bearings?

  1. Remove the wheel. Remove the lug nuts and the wheel. …
  2. Remove the cotter pin. Straighten the ends of the cotter pin and pull it out with needlenose pliers. …
  3. Remove the rear bearing and seal. …
  4. Pack grease into the bearings. …
  5. Reassemble the hub.

How tight should wheel bearings be on boat trailer?


Can you over pack wheel bearings?

Too much grease volume (overgreasing) in a bearing cavity will cause the rotating bearing elements to begin churning the grease, pushing it out of the way, resulting in energy loss and rising temperatures.

How do you pack a wheel bearing by hand?


Why do trailer bearings need to be repacked?

Repacking a bearing is the process of removing the parts of the wheel to access, clean and add grease to the bearings. Over time the trailer bearings will take a large amount of abuse and wear, although they are designed to last for a long time, they will wear out prematurely if they are not routinely taken care of.

What happens when you over tighten a wheel bearing?

“Excessive preload will cause excessive friction and the bearing will run hot, compromising lubrication and eventually leading to flaking (material coming off) at the large end of the rollers/races,” he says.

How do you preload trailer wheel bearings?


How much play is acceptable in a wheel bearing?

As a rule, there should be no perceptible play in the wheel bearing if you are pulling and tugging on a wheel 12 and 6 o’clock, but up to . 010 inch of. play in the front bearings may be acceptable on some old vehicles cars and trucks with adjustable bearings.

What is the best grease for boat trailer wheel bearings?

White lithium grease is a multipurpose grease and is ideal for metal on metal lubrication, so you can use this for your wheel bearings, for instance. It’s also a superior corrosion-resistant formula, which is another reason it’s helpful in bearings and other parts that get routine exposure to the water.

How do you test boat trailer bearings?


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