The difference between lubricating oil and grease--Shanghai NSK Bearings

1. What is the difference between lubricating oil and grease? Everyone agrees that the bearing should be lubricated. As for the best method to use to lubricate the bearing? This is still under debate, and there will be debates entirely because of the lack of understanding of what kind of bearings the bearing lubricating oil or grease is suitable for. Then we need to figure out what the lubrication is and what are the advantages and disadvantages of the bearing lubricant and grease, and then choose the appropriate lubrication according to the bearing type. 2. Bearing lubricating oil VS grease Advantages and disadvantages of bearing lubricating oil 1. The sealing device is more complicated and requires attention to maintenance. 2. Very good lubrication performance. 3. It is suitable for medium-speed and high-speed bearings. 4. The lubricant can be easily replaced. 5. The life of the lubricant is longer. 6. The cooling effect is good, and it can also circulate. 7. Easy to filter out impurities. 8. The internal friction resistance is small, especially suitable for sliding bearings. Advantages and disadvantages of bearing grease 1. The sealing device is simple, not easy to lose, splash, leak, and save oil. 2. Although the lubricating effect is not as good as lubricating oil, it also has good performance. 3. Suitable for low speed bearings. 4. It is not easy to replace the lubricant. 5. The life of the lubricant is not long. 6. No cooling effect. 7. It is not easy to filter out impurities. 8. Relatively low cost, low maintenance and lubrication costs. 9. The temperature range of a single type of fat is wider than that of a single type of oil. 10. Resistant to harsh conditions such as load and impact. 11. Reduce vibration, reduce noise, and have the effect of sealing and dustproof.

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