**Anatomy: Smooth Handling of Oil Film in NSK Bearings** Home > Bearing Knowledge > Anatomy: Smooth Handling of Oil Film in NSK Bearings Source: China Bearing Network | Time: June 5, 2014 --- Lubrication is a critical factor in the performance and longevity of mechanical systems. In fact, more than half of mechanical failures or early wear are linked to improper lubrication practices. Ensuring proper lubrication helps prevent damage such as scratching or welding between moving parts like NSK bearings and gears. It also reduces friction, minimizes equipment stress, enhances production efficiency, saves energy, and improves overall operational effectiveness—making it a top priority for maintenance teams. Here are key steps to ensure effective lubrication: 1. **Professional Lubrication Management**: Assign dedicated personnel to handle lubrication tasks. Develop a comprehensive lubrication management system and provide regular training to ensure staff have the necessary knowledge and skills. 2. **Maintain Proper Oil Levels**: Ensure the oil tank has an appropriate capacity and maintain the correct oil level. Regularly add lubricant and monitor oil quality, including degassing, settling, and temperature control within the system. 3. **Oil Sampling and Analysis**: Take oil samples at scheduled intervals and test for odor, color, viscosity, moisture content, water separation ability, contaminants, and anti-foaming properties. If contamination exceeds 0.1%, wear increases significantly; over 0.5% can be extremely risky. 4. **Data Analysis and Prediction**: Analyze test results regularly to predict potential issues and implement preventive measures. Ensure the system has alarms and interlocks for oil level, quality, temperature, and pressure to enhance safety and reliability. 5. **Prevent Contamination**: - **Procurement and Storage**: Maintain strict procedures for oil handling, storage, and disposal. Separate oils by type and brand, with clear labeling to avoid mixing. - **Storage Conditions**: Keep containers clean and sealed. Store in cool, dry, well-ventilated areas away from direct sunlight. Avoid exposure to dust, moisture, and impurities. - **Inspection and Testing**: Regularly check oil for viscosity, viscosity index, water content, demulsibility, and extreme pressure resistance. Ensure cleanliness with less than 0.01% mechanical impurities. - **Tank Maintenance**: Keep the fuel tank’s manhole cover closed. Use high-quality air filters (100 mesh or finer) and drain condensation regularly. Install filters with appropriate filtration accuracy when adding oil via pipelines. - **Filter Replacement**: Drain oil from the filter before replacing it to avoid secondary contamination. This prevents serious damage to the lubrication system. - **Oil Change Schedule**: Replace oil based on its condition—color, viscosity, moisture, and contamination levels—rather than just time-based intervals. 6. **Initial Installation Considerations**: When first using oil film bearing oil, ensure the entire existing lubrication system is thoroughly cleaned. Additional steps include: - Compare the physical and chemical properties of the new oil with those of the manufacturer's products and equipment conditions to develop an optimal operation plan. - Involve skilled personnel to analyze and discuss the lubrication data to fully understand the oil’s function and correct application methods. --- **Related Bearing Knowledge** - Bearings use "four attentions" and bearing fit skill analysis: bearing clearance and internal clearance - NSK bearing conventions for understanding the "nano-ball bearing layout film" to reduce wear and tear - Bearing identification and selection tips This article was originally published on [China Bearing Network](http://). Please visit the official site for more information. Previous: Super-precision Bearing Skills – SKF Crack Success Formula Next: TIMKEN Imported Bearings – Limit Speed Issues and the Essence of Noise

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