Bearing axial loadcalculation

For low axial load applications, some radial bearings can be used. Thin-section deep groove ball bearings can support axial loads of between 10 and 30 per cent of the bearing's static radial load rating. Note — these figures are based on pure axial load. Additional radial loads or moment (misalignment loads) will have an impact on the axial load capacity.

Thrustbearing

When choosing a thrust bearing, it’s important to seek the right advice, as these bearings can be very unforgiving when axial forces are in play.

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Different applications put different load requirements on the bearings. For high axial load applications, heavy duty bearing types such as 6200 or 6300 series may take axial loads of up to 50 per cent of the static radial load rating. In cases where large axial and radial loads occur simultaneously, angular contact bearings may be required.

Axial load bearingSKF

We perform over 600 repair and maintenance services including oil changes, brakes, diagnostics, belts and hoses, and more. The best part? We come to you with all the necessary tools and parts.

Our certified technicians come to you with a wrench and a smile. Do what you’d normally do at home (or the office) - catch up on yard work or a favorite TV show, make dinner - while your vehicle is being serviced.

If you ignore everything in this article, then here’s what you’ll end up with: Three wheels. The rear wheel bearings will give you signs of aging as they start to die. Once they fully die, they’ll actually disintegrate, and then the wheel has no way of being supported. And at that point it will fly free.

Axial load bearingtype

Thrustload bearing

The more straight-forward type of miniature thrust bearing has identical washers and no raceway. These can accept endure axial loads in either direction but have reduced load and speed ratings compared with single-direction axial bearings.

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Axial loadexample

Ever drive a car with three wheels? And no, that’s not a challenge. If you’re experiencing any of the symptoms above, it’s likely time to get your rear wheel bearing replaced.

Think office chairs, lazy Susan turntables or bar stools, to name just a few axial load applications. While this group of bearings are unable to handle radial loads — they can be used in conjunction with radial ball bearings if required. A radial ball bearing’s rolling elements are designed to support radial loads, which is a load that is perpendicular to the shaft.

Here’s something your car shouldn’t do: Shake. If your steering wheel is bouncing around like popcorn kernels in the microwave, you’ve got an issue. And that issue is a lot less fun than a bag of popcorn. Busted rear wheel bearings will sometimes make for a car that isn’t driving right, and some abnormal pressure and stress will head through the steering system, into your car’s cabin.

Well, this one should be obvious. If your car is making a funny noise, something is likely wrong. If your rear wheel bearings are starting to go, you could hear any number of noises, from growling, to groaning, to grinding and scraping. The important thing to note is that the noise will be coming from the rear wheels. That’s your clue that it may be the rear wheel bearings.

If you drive your car nearly everyday, you’re probably familiar with how it feels…and especially when it feels different. The handling in your car may start to shift if you have a dying rear wheel bearing. Your car will start to feel loose, which is really the feeling of your wheel starting to become disconnected and loose. Not a good thing. And not a good feeling. You’ll also likely feel your car pulling a little bit to the left or the right - depending on which rear wheel bearing is dying - when you’re trying to drive in a straight line.

So, here’s what will happen if one of your rear wheel bearing starts to kick the bucket. You’ll end up with one wheel not being used the right way, because it’s not supported properly. That means the car won’t drive right, and the wear will be uneven. One rear tire will likely be worn more than the other, and the pattern of the wear will certainly be different. It’s always a smart idea to pay attention to your tires. Give them a visual inspection every now and again, so that you can spot excess wearing, bubbles, low tire pressure, or uneven wear and tear. It can help you spot a big issue, like a rear wheel bearing failure.

Radialloadvsaxial load bearing

Radialload bearing

The terms axial ball bearing or thrust ball bearing can be used interchangeably. Sometimes, they are even combined together, referred to as ‘axial thrust bearings’. This group of bearings has been designed to endure an axial load, also known as a thrust load, which is a force in the same direction as the shaft. The axial bearings should not be subjected to any radial load as they are designed for thrust loads only.

Regardless of the loading type required, all bearings have their limits. When determining which bearing to choose, it is important to consider several factors; load direction, load size, turning speed of the application. It is also crucial to ensure the bearings are manufactured to high quality standards, which enables the highest levels of rollability even with heavier axial forces.

However you refer to these bearings in the axial bearing vs thrust bearing debate, it is important to use the correct type of miniature thrust bearing based on the direction of the thrust load. Some have a raceway or groove on each washer. In these instances, one washer has a slightly larger inside diameter so that it is located in the housing and the shaft can rotate inside it. These bearings can accommodate thrust loads in one direction only and must be installed according to the load direction.

If you would like more help on different types of loading, contact bearing supplier SMB Bearings. We have years of experience supplying small and miniature bearings to a range of industries. Call our experts today on +44 (0) 1993 842 555 or e-mail sales@smbbearings.com.

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