Keep your hand on the wheel and spin it. If you feel any motion that is not smooth, hear any noises, or if the wheel does not spin freely, the wheel bearing is defective or needs lubrication.

Besides, How often do you have to grease trailer bearings?

When Should You Grease Your Bearings

With a larger travel trailer, you should grease your trailer wheel bearings every 10,000 miles or once a year, whichever comes first. If you have a smaller travel trailer, however, you’ll need to grease your wheel bearings every 2,000 miles.

Keeping this in mind, How do you check trailer wheel bearings? Check for Heat – Tow the trailer for a short distance, 5-10 miles at highways speeds, then park the trailer. Place your hand on each of the wheel hubs of the trailer. If it is too warm to hold your hand in place, you may have a bad bearing. The wheel bearing may; require lubrication, be bad or not have enough play.

Can you over grease trailer bearings?

They keep grease packed into the hub. munchy wrote: More grease is never the right answer. Overgreasing can actually cause the rollers/balls to slide over the bearing surface rather than roll over them.

How long does bearing grease last?

Closed Bearings

“Lubricant deteriorates over time as a result of aging, condensation, and separation of the oil and thickener. For closed bearings – sealed or shielded – that contain the standard domestic grease (GJN), and that are still in their original, unbroken packaging, the recommended shelf life is five years.

How often should utility trailer bearings be repacked?

Many trailer manufacturers recommend this maintenance every year if your trailer gets normal use, or at least every 20,000 miles.

How often should you check trailer wheel bearings?

Generally speaking, you need to inspect and grease your travel trailer wheel bearings once a year or every 10,000 miles, whichever comes first. How Often Should You Grease Travel Trailer Wheel Bearings?

When should you replace trailer wheel bearings?

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 often should you repack wheel bearings on a travel trailer?

To avoid a wheel bearing failure, you should regularly repack your wheel bearings. If you have a large RV and travel regularly, you should do this every year or 10,000 miles. If you’re not taking your RV on extended trips and it’s smaller, you should do it every year or 2,000 miles.

Can you put too much grease in a wheel bearing?

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.

Can you put too much grease in a bearing buddy?

Can Bearing Buddy Bearing Protectors Be Over-Filled with Too Much Grease It is possible to over-fill a hub that has a Bearing Buddy bearing protector such as #BB1781. The convenience of easy filling through the zerk fitting can often mean we can be tempted to keep adding more grease.

How much grease should you put in a bearing?

FOR STARTERS, note that most sealed bearings come pre-greased from the factory with a 25%-35% grease fill. This is all the grease the bearings will ever need, because the relubrication interval (explained below) is longer than the expected life of the bearing. DON’T JUST GUESS.

How long does a tube of grease last?

Typically, aviation grease shelf life is listed as the “use by” date on the container. The average industry shelf life of aviation greases is about three years, however, ExxonMobil’s Mobilgrease™ 33 and Mobilgrease™ 28 aviation greases offer extended shelf life for up to 10 years.

Does grease break down with age?

Most materials, including lubricating greases, gradually deteriorate with time. For lubricating greases, the degree of deterioration depends a lot on the storage conditions. Under good storage conditions, the shelf life of a lubricating grease can be very long.

Does wheel bearing grease dry out?

This bearing displays the results of high running temperatures commonly associated with over-greasing. When the dropping point is reached, the bearing begins to bleed, the grease runs dry and eventually failure occurs. Mechanical Wring-out. Some types of rolling-element bearings are more prone to oil separation.

How often do you need to repack wheel bearings?

Most automotive manufacturers agree that wheel bearing repacking and cleaning should be completed every 30,000 miles or once every other year. The reason for this is that eventually grease loses a lot of its lubricity due to age and heat.

How much does it cost to have trailer bearings repack?

Trailers tend to be cheaper to repack professionally (think $100-$200), but don’t underestimate the power of the upsells a mechanic might try to give you. If you’re serious about cash, you can likely save a few bucks by repacking your bearings yourself.

How long do trailer wheel bearings last?

With proper and frequent maintenance, your wheel bearings should last for 100,000 miles before they wear out. How Much Grease to Put In A Trailer Wheel Bearing?

How do I know when my bearings are bad?


Top Warning Signs Your Wheel Bearings Need Replacement

  1. Humming Noise. The most easily identifiable and most common symptom of bad wheel bearings is an audible one. …
  2. Squealing, Growling. …
  3. Clicking Sound. …
  4. Wheel Wobble. …
  5. ABS Failure. …
  6. Uneven Tire Wear. …
  7. Vehicle Pulls to One Side. …
  8. Steering Wheel Vibration.

How long should trailer wheel bearings last?

With proper and frequent maintenance, your wheel bearings should last for 100,000 miles before they wear out. How Much Grease to Put In A Trailer Wheel Bearing?

How much does it cost to replace bearings on a trailer?

Some Class A RV owners have stated that it cost anything from $300 to $500 to replace the bearings. Depending on how much you use your trailer and how many miles you get on it, you can wait till about 20,000 miles before your wheel bearing has to be repacked.

Can you over grease a ball joint?

One concern about greasing ball joints is not wanting to overfill it and bust the seal between the ball joint and the dust boot, which leaves the joint open to contaminates that can potentially lead to failure.

How do you know when bearing buddies are full?

The air pockets inside the hub cavity and Bearing Buddy® will work their way out past the piston (or blue ring) on the Bearing Buddy®. You should see the piston extend out or the blue ring past the front of the Bearing Buddy® when it’s properly filled.

How tight should a bearing be?

The nut on the spindle should be tightened until snug, with no side-to-side play in the hub and then backed off, about a quarter of a turn. The nut finger should be tight until the castle nut or cotter pin is used.