Industrial fag bearing damage and judgment
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Damage state such as: on nsk bearings and roller bearings, rings, The ribs card injury, may be considered as a reason, lack of lubricant, not suitable for row oil structure defects, the intrusion of foreign bodies, bearing installation error, axis deflection is too large, and the these reasons overlap.
Therefore, only investigated the damage, it is difficult to know the real reason of the injury. However, if you know the use of machinery bearing conditions of use, the bearings around the structure, to understand the situation before and after the accident, combined with bearing damage state and the inspection of several reasons, we can prevent similar incidents from happening again.
Bearing of the judgment:
judgment skf bearings are available, bearing damage, mechanical properties, the importance of operating conditions, to the next maintenance period. If the following defects can no longer use must be replaced with new bearings. The inner ring, outer ring, rolling body cage any cracks or gaps.
A ring, rolling body on any fracture.
2, the rolling plane, ribs, rolling on the card hurt.
3, cage wear or rivets with relaxation.
4, raceway, rolling rust injury.
Ntn bearing raceway serious indentation and hit marks on the rolling element.
6, the inner diameter surface or the outer ring outer diameter surface of creep.
7, due to heat caused obvious discoloration.
8, the enclosure grease nachi bearing seals or dust cover damage evident.
234407BM 234706BM 234406BM 517/2860V/YA 5610/2500 517/1720X1V 527/1181M 510/1180M 517/930 510/670 590/560 510/500 52780 59080 517/368M 51760U 517/238 6207-2ZN 6206-2ZN 6205-2ZN 6204-2ZN 6203-RZ 6203-2ZN 6202N 6202-2ZN 6201-2ZN 6200ZZ 6200-2ZN 62/32-ZN 62/32-Z 62/32N 62/32-2Z 62/32-2RZ 62/32-2RS 62/28-2RZ 62/22-2RZ 61996 61992 61988 61984
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General, if the correct use of bearings can be used to the fatigue life is reached. But there will be accidents to premature damage can not be resistant usage. This early injury, the relative fatigue life, failure or accident is called the quality use of limits. More due to the installation, the use of lubrication on the pay no attention to the intrusion of foreign bodies from the outside, for the axis, the thermal effect of the shell is not sufficient.Damage state such as: on nsk bearings and roller bearings, rings, The ribs card injury, may be considered as a reason, lack of lubricant, not suitable for row oil structure defects, the intrusion of foreign bodies, bearing installation error, axis deflection is too large, and the these reasons overlap.
Therefore, only investigated the damage, it is difficult to know the real reason of the injury. However, if you know the use of machinery bearing conditions of use, the bearings around the structure, to understand the situation before and after the accident, combined with bearing damage state and the inspection of several reasons, we can prevent similar incidents from happening again.
Bearing of the judgment:
judgment skf bearings are available, bearing damage, mechanical properties, the importance of operating conditions, to the next maintenance period. If the following defects can no longer use must be replaced with new bearings. The inner ring, outer ring, rolling body cage any cracks or gaps.
A ring, rolling body on any fracture.
2, the rolling plane, ribs, rolling on the card hurt.
3, cage wear or rivets with relaxation.
4, raceway, rolling rust injury.
Ntn bearing raceway serious indentation and hit marks on the rolling element.
6, the inner diameter surface or the outer ring outer diameter surface of creep.
7, due to heat caused obvious discoloration.
8, the enclosure grease nachi bearing seals or dust cover damage evident.
