ABIS Ball Bearings Faults, Causes And Remedies
With bores of 0.6 to 90mm and precision grades to ABEC 7
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Abis Bearings FAULTS, CAUSES AND REMEDIES
| Problem |  | Causes | Remedy |
| Noise | High pitched metallic noise | Poor lubrication | Improve lubrication Correct clearance Investigate mounting method and seating Examine shaft and housing tolerances for closing effect |
| Low pitched metallic noise | Brinelled raceway surface | Avoid shock loads | |
| Regular noise | Rust and damage Flaking of raceway surface | Check and replace seals and re-lubricate Improve lubrication and check fitting, clearance and fixing method | |
| Irregular noise | Ingress of foreign matter Excessive clearance Damage and flaking of rolling element | Check and replace seals and re-lubricate Correct clearance Reduce loads and/or clearance | |
| Variable noise | Variable clearance due to temperature changes Damage to raceways | Check fits taking housing materials and temperature into clearance Improve lubrication and check fitting, clearance and fixing method | |
| Heavy vibration | Flaking of raceway and rolling element Ingress of foreign matter Excessive clearance Poor location | Improve lubrication and check fitting, clearance and fixing method Check and replace seals and re-lubricate Correct clearance Ensure abutment face and fitting diameter are perpendicular | |
| Excessive heat  generation | Clearance too small Poor location Excessive load Poor lubrication Creep | Correct clearance Ensure abutment face and fitting diameter are perpendicular Examine shaft and housing tolerances for closing effect Improve lubrication Maintain recommended shaft and housing fits | |
| Lubrication failure | Too much grease Ingress of foreign matter | Use the correct lubricant quantity Check and replace seals and re-lubricate | |
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