INA Stainless Steel Bearings: Impact of Environmental Conditions on Compressive Strength

Source: China Bearing Network | Date: September 18, 2013

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When it comes to the application of INA stainless steel bearings, understanding the operating environment is crucial. The selection of standard scale and accuracy should be based on the specific application site, working conditions, and environmental factors. Choosing the right bearing is essential for ensuring its service life and overall reliability. INA bearings are commonly used in applications that involve both radial and axial combined loads, particularly where radial loading is dominant. These bearings are typically installed in pairs and are widely used in transmission systems such as front and rear hubs, automatic bevel gears, differentials, and reducers. The temperature range in which INA bearings can operate under normal load and with high-temperature resistant lubricants is generally between -30Â°C and 150Â°C. Proper installation and alignment are also important. Tapered roller bearings, for example, should not be misaligned relative to the housing. If misalignment occurs, it should not exceed 2 arc minutes. In terms of speed, the maximum rotational speed of stainless steel bearings is usually 0.3 to 0.5 times the limit speed. However, under normal operating conditions, the most suitable speed is around 0.2 times the limit speed. To ensure that the INA bearing operates smoothly and avoids damage, several key points should be considered: 1. **Improve Lubrication Quality**: Ensure proper oil pressure, temperature, and flow. Regularly maintain and replace filters to keep the lubricant clean. 2. **Ensure Surface Quality**: The appearance and geometric shape of the bearing and journal must meet strict standards to avoid premature wear. 3. **Control Engine Temperature**: Both overheating and overcooling can negatively affect performance. In cold weather, preheat the engine before starting and manually rotate the crankshaft to allow oil to reach the friction surfaces. 4. **Maintain Appropriate Clearance**: Too much or too little clearance can lead to excessive impact or poor lubrication, potentially causing damage to the bearing. 5. **Use Qualified Fuel and Lubricants**: Choose the correct type of fuel and lubricant as specified by the manufacturer to ensure optimal performance. By following these guidelines, you can significantly extend the lifespan of your INA stainless steel bearings and ensure reliable operation in various environments.

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