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How do I know if my roller skate bearings are bad?

Author

Emily Ross

Published Jan 22, 2026

If you hold them between your fingers, give them a spin and they make grinding noises or don't even spin to the count of 1, then they are dirty.

How do you know if your skateboard bearings are bad?

Squeaky noises, wheels that don't spin for longer than a few seconds and pushing like a madman in your local skatepark. These are all signs that our skateboard bearings are on their last legs. So when should you replace your bearings? Replace your bearings when they still don't spin after cleaning and relubing.

Do skate bearings go bad?

The average lifespan of skateboard bearings is 1 to 2 years if given proper care and maintenance. Bearings get tired too, and remember that too much of anything isn't good at all. Too much wetness, sliding, and fast jumping will cause your skateboard bearings to wear out faster.

How often should you replace roller skate bearings?

When should I replace my bearings? If you have left them to rust, replace them. If they are making all kinds of bad noises and you have cleaned them and they still don't roll well, replace them. If you do replace them, make sure you put them in the recycle bin if you have one so that they don't go into landfill.

How do you check roller skate bearings?

How to tell if your bearings are dirty… I know the focus is off, but you can even see the grime on the bearings in the background. Then they are dirty. If you hold them between your fingers, give them a spin and they make grinding noises or don't even spin to the count of 1, then they are dirty.

33 related questions found

How do you take care of roller skate bearings?

In order to maintain your steel bearings and make them last longer, it is important to clean, dry, and lubricate them after each use.

When should you replace bearings?

Top Warning Signs Your Wheel Bearings Need Replacement

  1. Humming Noise. The most easily identifiable and common symptom of bad wheel bearings is audible. ...
  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 bearings spin for?

If your bearings are new and only spinning for 10 seconds, don't worry. Once they're broken in you can get them spinning for 30 seconds to a minute depending on the brand and model.

How often should you replace your bearings?

Most serviceable wheel bearings need maintenance every 25,000 to 30,000 miles, or during every brake service. But, the average life of a sealed wheel bearing and hub assembly is about 85,000 to 100,000 miles, without the opportunity for a technician to repack the bearings.

How can I make my bearings spin faster and longer?

The maximum speed can be increased by use of a high speed lubricant and also with a high speed retainer. Rubber contact seals will reduce the maximum bearing speed. High precision bearings will run at higher speeds thanks to the superior roundness and finish of the balls and bearing rings.

Should you lube new skateboard bearings?

Buying New. In most cases, all you need to do is lube them and spin the wheels but, every once in a while, you need to give your bearings a full cleanup to revive their original characteristics and improve the skating experience.

What do bad wheel bearings sound like?

Squealing & Growling

The classic sounds of a bad wheel bearing are cyclic chirping, squealing and/or growling noise. You can also tell that the sound is related to wheel bearings if it changes in proportion to vehicle speed. The sound can get worse with every turn, or it can disappear momentarily.

What causes wheel bearings to go bad?

Frequently driving through mud, water, or road salt can cause wheel bearing malfunction. Contaminants can get past the seals and enter the bearings, which pollutes the grease and damages the bearings.

What happens when wheel bearings go bad?

If your wheel bearing fails, it can cause the wheel to stop while you are driving or possibly even to fall off. At the very least, before a wheel falls off, a failed wheel bearing can/will cause significant damage to your vehicle, so it's very important to keep an eye on these and keep them maintained.

How tight should roller skate wheels be?

Test the wheels to make sure the nuts aren't too tight. Spin each wheel with your fingers. The wheel should spin freely. If the wheel doesn't spin or is jerky when it spins, the nuts are to tight and need to be loosened.

How do you break in new bearings?

We have two steps when it comes to breaking in your precision bearings; short intervals first, then continuous running.
...
Two Steps for Breaking in Your Precision Bearings

  1. Five cycles of 1 minute each at 33% of max RPM.
  2. Five cycles of 1 minute each at 66% of max RPM.
  3. Five cycles of 1 minute each at 100% of max RPM.

How loose should skate wheels be?

Wheels are attached to the axels with a single nut (1/2") per wheel. The nuts should be tightened as far as they can be without impeding the spin of the wheel. Generally you should feel only a very minor amount of play if you try to move the wheel side to side.

How much does it cost to fix wheel bearings?

The national average is about $350 to fix the wheel bearings at one wheel. As you might imagine, however, luxury brands cost more. Please note: If the wheel bearings need replacing at one wheel, you don't necessary need to replace the bearings at the other wheel on the same axle. It's not like matching a pair of tires.

Can you replace wheel bearings yourself?

Changing your own wheel bearings is considered an intermediate job that can be done at home, but will need some speciality mechanic tools.

Is it hard to replace wheel bearings?

Replacing a wheel bearing that comes as an assembly with the hub and bolts to the spindle or steering knuckle is not very difficult if you have proper skills, tools and the manual. Of course, the large axle nut is very tight and can be difficult to remove.

What do you clean roller skate bearings with?

Give your wheels a good scrub with warm water, mild dish soap or wheel cleaner, and a soft rag. Get in all the nooks and crannies to make sure there’s no dirt left behind to gunk up the works.

Why are my roller skates squeaking?

Crunching and/or grinding means there is dirt or debris and the bearings need to be cleaned. Chirping and/or squeaking noises probably means you should lubricate the bearings.

Can I use rubbing alcohol to clean my skateboard bearings?

Soak bearings in isopropyl alcohol

Take a disposable cup or a ceramic cup and fill it about an inch or enough to submerge all 8 of your bearings. With the bearings completely relieved of their shields, place each bearing in the cup and let the alcohol work its magic.

Can I clean my bearings with soap and water?

No. Google how to clean your bearings. There are plenty of guides, including from the Bones website or even tutorials on YouTube. DO NOT use soap and water.