Multiple choice general knowledge science & technology

Which one of the following bearing has self-aligning feature?

  1. a)roller bearing

  2. b)spherical roller bearing

  3. c)needle roller bearing

  4. d)none of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Spherical roller bearings have a self-aligning feature due to their spherical raceway geometry, which accommodates misalignment between shaft and housing. Roller and needle roller bearings don't have this capability.