Precautions for measuring radial clearance of bearings

**Precautions for Measuring Radial Clearance of Bearings** Bearing knowledge > Precautions for measuring radial clearance of bearings Source: Bearing Network | Date: May 18, 2013 When measuring the radial clearance of bearings, it's essential to follow proper procedures to ensure accurate and reliable results. Here are some important precautions to consider: 1. Whenever possible, use specialized instruments for measurement. These tools are designed to provide precise readings and reduce human error. 2. If manual methods, such as the hand-push technique, are used, the person performing the measurement must have a high level of skill. This method is prone to larger errors, especially when the clearance is at a critical or marginal level. In such cases, instrument-based measurements should be preferred for greater accuracy. 3. When using a feeler 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 that the ball settles at the bottom of the raceway. For sealed bearings, measure before closing the housing. Also, account for any load applied during the measurement, as this may affect the result. 5. For multi-row bearings, measure the clearance in each row individually. The radial clearance of the bearing should then be calculated as the average of all measured rows. Proper measurement of radial clearance is crucial for ensuring the performance and longevity of bearings. Incorrect measurements can lead to premature failure or improper operation of machinery. Always refer to manufacturer guidelines and use appropriate tools to maintain accuracy. Related Topics: - Technical standards for centrifugal pump bearings - Common sense in high-speed bearing installation and adjustment - Tapered roller bearing applications and improvements - Reliability testing for 7215 bearings This article is from China Bearing Network. Please cite the source when sharing. Previous: Bearing Storage and Handling Next: "Evaluation and Avoidance Measures" for Bearing Failures (Word count: 526)

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