Read and download CBSE Class 12 Engineering Bearings chapter in NCERT book for Class 12 Other Subjects. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Other Subjects textbook for Class 12 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 12 Other Subjects to understand the answers of the exercise questions given at the end of this chapter
NCERT Book for Class 12 Other Subjects Bearings
Class 12 Other Subjects students should refer to the following NCERT Book chapter Bearings in standard 12. This NCERT Book for Grade 12 Other Subjects will be very useful for exams and help you to score good marks
Bearings NCERT Book Class 12
BEARINGS
All of you have seen a bicycle and most of you may know how to ride it. With the help of paddles you may have driven it. It needs very little effort to run a bicycle. Do you know why a bicycle runs so smoothly and easily? The reason is that friction is greatly reduced by using bearings in the moving parts and you must have oiled/ greased these bearings from time to time.
In the industry also the bearings are used to help in smooth running of the shafts. As we all know that the friction is a necessary evil. The friction generates heat and opposes the free movement of the moving parts. We can not eliminate the friction together but we can reduce it to a large extent by using some suitable lubricant.
The meaning of bearing as given in the Dictionary is a part of a machine which support another part that turns round a wheel' or it can be defined as the support and guide for a rotating ,oscillating or sliding shaft, pivot or wheel' .
Bearings are used as a mechanical component to a certain part and this is done by utilizing the small frictional force of the bearings, which makes them rotate easily, all the while with the force and load acting against them.
There are two types of bearings according to the type of motion:
1. Plain bearings and
2. Anti-Friction bearings or Rolling Bearings
We will learn that plain bearings are such that they primarily support sliding, radial and thrust loads and linear motions also.
1. Plain Journal Bearings: These support radial loads at right angles to the shaft axis.
2. Spherical Bearings: These are used where the loads are not aligned and are radial.
3. Thrust Bearings: These bearings support axial and radial loads.
4. Linear Bearings: These bearings only help in linear motion.
5. Pivot Bearings or Foot Step Bearings: These bearings are used where the thrust is only axial.
CLASSIFICATION OF BEARINGS
Plain bearings may further be classified as:
ANTI-FRICTION OR ROLLER BEARINGS
These bearings can be:
1. Needle Bearings.
2. Ball Bearings and
3. Roller Bearings.
The bearings mentioned above can be rearranged according to the loading conditions as:
1. Journal Bearings: In this bearing the bearing pressure is perpendicular to the axis of the shaft.
2. Thrust Bearing or Collar Bearing: In this bearing the pressure is parallel to the axis of the shaft.
3. Pivot Bearing: In this bearing the bearing pressure is parallel to the axis of the shaft and the end of the shaft, rests on the bearing surface.
4. Linear Bearings
5. Spherical
Please refer to the link below for - CBSE Class 12 Engineering Bearings
Other Subjects NCERT Book Class 12 Bearings
The above NCERT Books for Class 12 Other Subjects Bearings have been published by NCERT for latest academic session. The textbook by NCERT for Bearings Other Subjects Class 12 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Bearings NCERT etextbooks as the exams for Class 12 Other Subjects are always asked as per the syllabus defined in these ebooks. These Class 12 Bearings book for Other Subjects also includes collection of question. We have also provided NCERT solutions for Class 12 Other Subjects which have been developed by teachers of StudiesToday.com after thorough review of the latest book and based on pattern of questions in upcoming exams for Class 12 students.
NCERT Book Class 12 Other Subjects Bearings
The latest NCERT book for Bearings pdf have been published by NCERT based on the latest research done for each topic which has to be taught to students in all classes. The books for Class 12 Other Subjects Bearings are designed to enhance the overall understanding of students. All Class 12 NCERT textbooks have been written in an easy to understand language which will help to enhance the overall level of Class 12 students.
Bearings NCERT Book Class 12 Other Subjects
As the students of Class 12 need the books for their regular studies, we have provided all NCERT book for Bearings in pdf here for free download. All pdf NCERT books available here for Class 12 will help them to read on their mobile or computers. They can take a print of the Class 12 Other Subjects NCERT Book Bearings pdf easily and use them for studies. The NCERT textbooks for Class 12 Other Subjects have been provided chapter-wise and can be downloaded for free of cost.
Class 12 Other Subjects Bearings NCERT Book
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Class 12 Bearings NCERT Book Other Subjects
For Class 12 Bearings we have provided books for students who have opted for Hindi and Urdu medium too. You can click on the links provided above to download all Hindi medium Class 12 Other Subjects Bearings book in easy to read pdf format. These books will help Class 12 Other Subjects students to understand all topics and also strictly follow latest syllabus for their studies. If you are looking to download the pdf version of Class 12 Other Subjects Bearings textbook issued by NCERT then you have come to the correct website
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