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Ball Screw RCA: Indentations

2020-06-21T11:18:05+00:00Jun 21, 2020

Damage Condition Indentations on the raceway at each ball location similar to the deformation caused by a Brinell Hardness Tester (Brinelling) Indentations on a raceway caused by contamination or metal particles Possible Causes High-energy impacts or improper handling of the products at installation or in transit will easily cause this damage Caused by contamination or intruded metal particles Countermeasures Adequate installation and handling Improve sealing capability Filter the lubrication oil
Indentation 1

Part: Screw shaft
Symptom: Indentations on a raceway
Cause: Indentations caused by excessive impact load or by contamination or intruded metal particles

Indentation 2 Part: Screw shaft
Symptom: Indentations on a raceway
Cause: Indentations caused by excessive impact load or by contamination or intruded metal particles

Source: NSK

By Cindy · Bearing design & application specialists

This article is prepared by the SINO BEARINGS (Sinoti Tech) engineering team, based on published bearing standards (ABEC / ISO P0–P2), material datasheets, and field application experience across industrial, food, medical and aerospace uses. For manufacturer background, certifications and facilities, see our About page.

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