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Precautions for measuring radial clearance of bearings
**Precautions for Measuring Radial Clearance of Bearings**
When measuring the radial clearance of bearings, it's essential to follow proper procedures to ensure accurate results. Here are some key precautions:
1. Whenever possible, use specialized instruments for measurement. These tools provide more precise and reliable data compared to manual methods.
2. If the hand-push method is used, the person performing the measurement must have advanced skills. This technique is prone to significant errors, especially when the clearance is close to the limit. In such cases, it’s best to rely on instrument-based measurements for accuracy.
3. When using a gauge, always follow standard operating procedures. Avoid rolling the roller across the feeler, as this can lead to incorrect readings.
4. During the measurement process, make sure the ball falls into the bottom of the raceway. For sealed bearings, measure before closing them. Also, when loading the instrument, adjust the measured value by subtracting the load effect.
5. For multi-row bearings, measure the clearance in each row separately and take the average as the overall radial clearance of the bearing.
Proper measurement techniques not only improve the accuracy of the results but also help in identifying potential issues early, which can prevent equipment failure and reduce maintenance costs. Always ensure that the tools used are calibrated correctly and that the environment is controlled to avoid external influences on the measurement.
Additionally, it's important to document all measurements and compare them with manufacturer specifications. If discrepancies are found, further investigation or professional assistance may be required.
For more information on bearing maintenance and technical standards, you can explore related articles on our website. Stay informed and keep your machinery running smoothly.
*Source: Bearing Network | Date: May 18, 2013*
*Link: http://...*
*Reprinted with permission from China Bearing Network*
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