Why is load carrying capacity low in ball bearings? - Basic Mechanical Engineering

Q.  Why is the load carrying capacity low in ball bearings?

1. Due to line contact between inner race and the ball
2. Due to greater axial dimensions
3. Due to less radial dimensions
4. Due to point contact between inner race and the ball
- Published on 01 Sep 15

a. 1 and 3
b. only 1
c. only 4
d. 2 and 4

ANSWER: only 4

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    Discussion

  • Sravanthi   -Posted on 06 Nov 15
    - Ball bearings and roller bearings are the two types of rolling contact bearings depending upon the rolling elements.

    - Ball bearings use balls as rolling elements and roller bearings use cylindrical rollers, taper rollers or spherical rollers as rolling elements.

    - Due to point contact between inner race and ball, load carrying capacity of ball bearings is low.

    - Roller bearings have load carrying capacity as they have line contact between inner race and roller.

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