Damage Condition Possible Causes Countermeasures

When debris such as small metallic particles are caught in the rolling contact zone, Denting occurs on the raceway surface or rolling element surface. Denting can occur at the rolling element pitch interval if there is a shock during the mounting (brinell dents).

Debris such as metallic particles are caught in the surface
Excessive load
Shock during transport or mounting

  • Clean the housing
  • Improve the sealing mechanism
  • Filter the lubrication oil
  • Improve the mounting and handling methods