In Needle roller bearings the length of needles are at-least four times of their diameter.
17) A Needle bearing is a roller bearing with rollers whose length are least _____ times their diameter.
Answer is:
Four
Explanation:
Related Bearings MCQ with Answers
Answer is:
Friction bearings
Explanation:
Journal bearings are sometimes called friction bearings.
Answer is:
tin-based and lead-based
Explanation:
Tin and lead-base Babbitt's are among the most widely used bearing materials. They have an ability to embed dirt and have excellent compatibility properties under boundary lubrication.
Answer is:
All the above
Explanation:
Bearings are used for
Support and hold the shaft in a fixed position
Allow the shaft to run freely
Minimize the rubbing action
Answer is:
All the above
Explanation:
Anti friction Bearings consists of Rolling elements, Races and cage.