Linear Guides: Wear


Damage Condition

Severe friction resulted in serious wear on the rolling contact surface of raceway and/or balls.

Possible Causes

  • Insufficient lubrication
  • Intrusion of foreign matter
  • Improper installation (misalignment)


  • Review the lubricant and lubrication method
  • Improve the sealing capability
  • Take measures against misalignment


Part: Raceway of a Ball Slider
Symptom: Raceways are worn out
Cause: Insufficient lubrication that resulted from a clogged lubricant piping

Source: NSK