Bearing grease is distinguished, above all, by its high resistance to pressure. It is also characterized by its ability to withstand the high temperatures generated by rapid wheel rotation. Finally, it is also able to repel water and thus prevent corrosion.

Single row deep groove ball bearings with seals or shields are particularly versatile, have low friction and are optimized for low noise and low vibration.

The first step in choosing the best bearing grease is to check with the manufacturer for the most suitable grease. Not all greases are compatible with each other, and there may be machine components that are not compatible with some lubricant additives. It is also very important to pay attention to the viscosity of the oil.

In fact, insufficient lubrication, degraded grease or the use of the wrong type of lubricant is the cause of 36% of bearing failures.

It can do more harm than good if we do not choose the right wheel bearing grease wisely. Moreover, since bearings work in many operating conditions, we must match the lubricant perfectly to the application.

Depending on the vehicle, you can save hundreds in labor replacing wheel bearings yourself. Most auto parts stores will lend you the specialty tools and equipment needed to replace a wheel bearing.

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When choosing the right grease for a bearing mechanism, keep in mind that choosing a normal or universal “all-purpose” grease can take its toll in the end.

You can service or replace tapered wheel bearings yourself. Never reuse any wheel bearing that’s loose, worn, noisy or shows any signs of wear.

Unlike unbalanced tires, shaking caused by a bad wheel bearing should be obvious from the side of the car where the bearing is failing.

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Friction from a failing wheel bearing produces heat. After driving, without touching the tires or wheels, carefully walk around your vehicle and use a non-touch thermometer to measure if one is hotter than the others.

Lubrication is a fundamental process in any vehicle. Not surprisingly, many bearing failures occur due to inadequate lubrication. Therefore, choosing a good wheel bearing grease is much more important than you think.

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On many vehicles, the ABS sensor is built into the wheel bearing, or it’s externally mounted adjacent to the spinning part of the bearing where the sensor measures vehicle speed. Damaged from a wobbly wheel bearing, the sensor will send erratic readings to the vehicle’s computer, illuminating the ABS light.

According to Simes, a failing wheel bearing will likely produce a soft, faint vibration that’s felt before it’s heard. There may also be a vague rhythmic humming or droning sound that increases over time and with speed.

NOTE: Whether you DIY or your mechanic replaces the bearing, always install a new axle hub nut. Most hub nuts are prevailing torque fasteners, used on critical components (like securing axle shafts to hub bearings) where a loose nut could lead to disastrous consequences.

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You’ll hear clicking, cracking, grinding, snapping, or whining noises coming from your wheels or tires. They’ll increase when accelerating or turning.

Bearings must be lubricated evenly. For this purpose, there is nothing better than using a lubricator. The bearings should be turned by hand until all internal surfaces are covered.

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It is of utmost importance that grease is applied correctly and replaced from time to time. Otherwise, its degradation or absence can lead to mechanical failures and breakdowns that are detrimental to vehicle safety.

But sealed wheel bearings are non-serviceable and should never be repaired, only replaced. Even if a pro suggests repairing a bearing, don’t let them. Trying to reuse a damaged wheel bearing can result in an accident and severe injury.

Read on to learn the most common bad wheel bearing symptoms, based on my experience (50 years in the industry) and that of Joe Simes, a National Institute for Automotive Service Excellence (ASE) certified and Toyota master technician. But first, a little background.

Bearing grease is applied to systems that can be oiled and where the oil itself does not remain in position. On the other hand, it is also used to seal and prevent water leakage from the system. The friction properties of this grease are very high, mainly due to its high consistency.

Joe Simes is an ASE and Toyota master technician. After 20 years in the industry, Simes recently became a Pennsylvania Department of Education certified automotive technology instructor at North Montco Technical Career Center in Lansdale, Pennsylvania.

The average cost to replace a sealed wheel hub bearing is $350 per wheel. However, depending on the make and model, shop labor rate, the cost of the bearing itself and any additional damage, the total could exceed $1,000.

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The cage and rollers are held together inside a hardened metal ring called a “race.” The seal keeps grease in and damaging water and debris out. Wheel bearings are installed inside, and secured to, the suspension, either by press fit, bolts or a snap-ring. Once mounted, the wheel bearing rides on the axle shaft, allowing the tire/wheel to spin effortlessly.

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A bad wheel bearing can cause a tire/wheel to move or glide unevenly or sluggishly. It can also cause your brakes to drag, pulling your vehicle to one side when you try to stop.

On modern front- and four-wheel drive cars, wheel bearings are a set of permanently sealed, precisely machined steel ball or straight roller bearings. The balls, or rollers, are encased in a “cage” that supports the bearings, allowing them to rotate freely.

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Absolutely not. It’s crucial to get bad wheel bearings diagnosed and replaced ASAP. If not, you could lose a wheel or get in an accident.

Remember that American Petroleum is a leading lubricant distributor in Puerto Rico and the Caribbean. For more information, do not hesitate to contact us.

Bearing grease is a lubricating substance formulated to keep vehicle wheel bearings in optimum performance. Bearings are essential for smooth and efficient wheel rotation. Hence, they need proper lubrication to reduce friction and premature wear.

Simply stated, wheel bearings allow cars and trucks to run smoother and more efficiently by reducing friction and supporting vehicle weight. When they start to fail, you can usually tell.

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