What is Bearing? Types of Bearings and How they Work?

What is Bearing? Types of Bearings and How they Work?

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Generally, all types of machinery are provided with supports for rotating shafts; the supporting device is known as a bearing. In other words, a bearing is a machine element that constrains relative motions and is used to reduce friction between moving parts.

Bearing employs to support, guide, and restrain moving the element. This is a stationary member, and it carries the load.

The common applications of bearings are:
Shafting in workshops,
Spindles of a machine tool such as a lathe, drilling, milling machine, etc.
The crankshaft of engines, axles of automobiles, etc.

Types of Bearings
Following are the different types of bearings:
1) Rolling Element Bearing
2) Plain Bearing
3) Fluid Bearing
4) Magnetic Bearing
5) Jewel Bearing
6) Flexure Bearing

---- Time Stamps ---
00:00 - Intro
00:44 - Types of Bearings
00:57 - What is the Purpose of Bearings?
01:30 - Rolling Element Bearing
02:10 - Ball Bearing
02:51 - Types of Ball Bearings
04:11 - Roller Bearing
04:46 - Types of Roller Bearings
06:14 - Plain Bearing
06:54 - Fluid Bearing
07:26 - Magnetic Bearing
07:56 - Jewel Bearing
08:31 - Flexure Bearing
09:16 - Wrap Up

Disclaimer:
This video is just for educational purposes only. We are not in the auto repair business nor publish automotive service manuals. This video is not reviewed or authorized by any vehicle manufacturer. This video is intended only as general guidance. Every system is slightly different, so refer to the owner’s manual of your vehicle for any specific information about your model. Remember that only proper service and repair procedures will ensure your car's safe and reliable operation.

Copyright Disclaimer:
Copyright Disclaimer under section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, education, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational, or personal use tips the balance favor of fair use.

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[mrvector]

Not a big fan of the robot voice, but the video was very informative nonetheless. Keep up the great work.

[Alexandru_Iacobescu]

Hello. I work in a Bearing plant. I would like to add to the types of roller Bearings. First Cylindrical can have a lot of sub types based on if the Outside ring or Inside Ring is fixed and it can be a construction of 1 row, 2 row or 4 row bearing . A combination between the Spherical and Taper roller bearings you can have a Thrust bearing. Taper roller bearings come as well in different types depending on number of rows and type of cage. You can have a cage that is pressed to lock the rollers or a cage that is welded. You can have a removable rib on the inside ring. A different cage used for Taper and cylindrical roller bearings can be a construction of shafts that go true the center of the roller and are welded to a top and lower ring building the cage. I seen no mention of Cross Roller Bearings. There are a lot of other subtypes for each but that would be the main bearings in the roller Bearings sector that you did not mention.

[melg]

This was a very good video but it needed an explanation about radial and axial loads. The visuals were great, well done.

[knightfall]

The problem with ball bearings I learned in my engineering course is that they aren’t good at handling constant non motion radial load as only one point of the bearing is in contact with the outer and inner ring it can dent or scar them making them not ideal for applications where something isn’t moving often or is really heavy, for that you want to use needle or cylidrical/ conical bearings as the contact with the surface is larger, however they can be less efficient because of this. Also when installing you need to look at what part is rotating and install the bearing with tolerances accordingly because you don’t want the rings to slip on the part that isn’t moving, or crush the bearing which will cause premature failure. There’s a ton of pretty complicated calculations to figure out the loads and lifespan of them alongside what bearings should be used in what applications.

[zhengao]

I am engaged in the manufacturing and sales of bearings. Thank you very much for watching the relevant video from you, which is very important for me to enrich my knowledge.

[kmemz]

You missed an extremely common bearing type, the Journal bearing. Journal bearings rely on a pressurized film of oil to provide their rolling action, rather than balls or cylindrical rollers. Because this oil is a film, rather than a set of contact points, it has a much higher contact than balls or rollers, and allows for a far greater capability to handle various types of forces. Unfortunately, these bearings need a constant oil supply to actually function, usually provided by being pumped through a port on the inner race. To minimize damage when oil is not supplied, the outer race of the bearing is usually a shim made of a softer material than either what the shim clips into, or the inner race. When oil runs dry, the friction increases drastically, and the shim gets ripped out of its socket and forced to spin and scratch up, resulting in what mechanics usually call a "spun" bearing.
Journal bearings are very nearly the only bearing type used inside the main chambers of an engine block; for bolting the crankshaft down, for bolting tie rods to the crankshaft, and to hold the tie rods to the pistons themselves, in the event that it makes enough back and forth friction to need a bearing.

[jamescole]

1/3/22; wonderful animation & graphics, clear explanation of purpose, limitations & life span. Well done!👍👍👍🛠😊

[robertfindley]

My father worked 40 years for Bower, which was bought by Federal Mogul, then NTN. Thanks for the memories!

[lil----lil]

I LOVE YOU CHANNEL TO DEATH. Gonna watch & Thumb UP EVERY singe one of them. Thank you for the uploads!

[RoboticParanoia]

Great video! I missed a mention on ceramic bearings, although they would fit better in a video about materials and use cases, something I also would definitely watch. You've got a new subscriber here!

[lourdesamykupusamy]

Your info on bearings has helped me in my workplace. Thank you very much

[raghukol]

Good video sir, may be u missed sliding bearing used in the over head roads, bridges, flyovers, metro, railway lanes . structural bearings used in massive structures in plants, big factories..

[martinfarfsing]

I have college and university science and technology degrees, I learned many new bering types from your video . Thanks

[WernerBeroux]

Overall good visuals, however I'd have welcome a deeper discussion on pro and con for each. Yes ratial and axial load where discussed yet not emphasised or explained enough. Plus it's missing the linear rails bearings, and discussing usage of multiple roller bearings to have axial and radial load support.

[davebaker]

Besides the sprague clutch (one way roller bearings) the spherical roller also flexes to increase the contact area in proportion to load

[naturesstressrelievers]

Very useful information, exploring more on this channel.

[samratkadiyam]

I am impressed. Voice, language & pronunciation, graphics/illustrations are good & easily understandable.

[asemahmed]

Massive work with excellent knowledge proud of you continue these videos

[madeddiesman-stylemonsterm]

This was very informative. Thank you.

[dromasmugalu]

I m very happy to watch the bearings video.