Bearing Noise

The noise level is an important quality criteria of a ball bearing. It mainly depends on the following factors:

  • precision of the geometric forms
  • surface finish of the raceway and the balls
  • cleanliness of the bearing
  • type of lubricant
  • type of cage
  • rotational speed

The bearing noise levels are classified as follows at WIB:

Q0: Normal noise
Q6: Noise less than Q0
Q5: Noise less than Q6

Very intensive noise checks are carried out during the manufacturing process.

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