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Lubrication of the bearings, in particular rolling fatigue life and the friction, wear, temperature, vibration, etc. have a major impact. No normal lubrication, rolling will not work. In the previous article we have analyzed, bearing the causes of damage showed that about 40% of the bearing damage are related with poor lubrication. Therefore, a good rolling bearing lubrication is to reduce friction and wear of effective measures.
In addition, the rolling bearing lubrication and cooling, rust, sealing, ease the impact and other effects.
Bearing lubrication effects can be briefly described as follows
a. the two rolling surface contact with each other or form a film between the sliding surfaces of the second surface spaced from the contact surface to reduce friction and wear.
b. using oil lubrication, especially the use of circulating oil lubrication, oil mist lubrication and injection lubrication, the lubricant inside the bearing can take away most of frictional heat, serve as an effective heat sink.
c. lubricated with grease, you can prevent external dust and other foreign matter into the bearing and sealing effect.
d. lubricant has to prevent metal corrosion effect.
e. extend the fatigue life of rolling bearings.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7905C NSK | 25 | 42 | 9 |
| 7905A5 NSK | 25 | 42 | 9 |