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SKF bearings removed on regular maintenance, operation and peripheral parts of the SKF bearing equipment replacement check, you need to in order to determine the sub-bearing parts can be used again and record usage in bad. Also carefully investigate and record split down the bearing and appearance. In order to clarify and investigate the remaining amount of lubricant, the sample after cleaning bearings.
Second, check the bearing raceway, the status of the rolling surface and the mating surface and cage wear state whether the injury and abnormalities, in particular to observe the trajectory of the raceway. Judgment bearing the possibility of re-use, and decided to come back later to consider the extent of the damage of SKF bearings, machine performance, the importance of operating conditions, check the cycle.
Test results, SKF Bearing damage and abnormal situations, identify the reasons for the phenomenon by the bearing damage, and to develop countermeasures. In addition, test results, if the following defects, SKF Bearings can not be reused, new bearings need to be replaced.
inside and outside the ring, rolling body cage which a crack and the emergence of debris.
b inside and outside the ring, rolling body in which a spin-off.
raceway, ribs, rolling body injury card.
d cage badly worn or loose rivets and powerful.
e raceway, rolling rust and injuries.
f raceway, rolling on the indentation and hit marks.
g on the inner ring inner diameter of the surface or the outer ring outside diameter creep.
h overheating discoloration powerful.
i grease sealed bearings seals and dust cover damage to serious.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 6021 NSK | 105 | 160 | 26 |
| 16021 NSK | 105 | 160 | 18 |