October 14, 2025

Ways to eradicate oil on INA bearings

How to Remove Oil from INA Bearings

Source: China Bearing Network | Time: 2014-06-19

When working with INA bearings, it's common for oil to accumulate on their surfaces. This oil can negatively impact the bearing’s performance and reduce its overall lifespan. If you're looking for an effective way to remove oil from your INA bearings, there are several methods you can use to ensure a clean and efficient result. One of the most effective ways to remove oil is by using hot oil. For soft dry oil or anti-rust cream that has hardened, immerse the bearing in oil heated between 100°C and 200°C. Use pliers to hold the bearing in place, and then use a brush to gently clean away the oil. As the oil heats up, it will begin to melt and loosen from the bearing’s surface, making it easier to remove. In some cases, shaking the bearing in the hot oil repeatedly can help dislodge the oil from the gaps. This method works especially well for bearings where oil has settled into the internal components. For radial spherical bearings, you may need to carefully separate the ball, cage, and inner ring from the outer ring before immersing them in hot oil. Similarly, for short cylindrical roller bearings, remove the rollers and cage first, and then separate the inner and outer rings. It’s important to note that when using hot oil, the temperature should not exceed 200°C. Exceeding this limit could damage the bearing or cause safety issues. By following these steps, you can effectively remove oil from your INA bearings, ensuring optimal performance and longevity.
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