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Bearing clearance
Source: Bearing network time: 2014-10-16
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The so-called bearing clearance; that is, when the bearing is not installed in the shaft or the bearing box; the one of the inner ring or the outer ring is fixed; then the unmoved one is moved in the radial or axial direction. Direction; can be divided into radial clearance and axial clearance.
The size of the play during operation (called work clearance) has an impact on the bearing's tumbling fatigue life, temperature rise, noise, oscillation and other functions.
When measuring the clearance of the bearing; in order to obtain a stable measurement value; usually impose a regular measurement load on the bearing.
Therefore, the measured value is larger than the real clearance (called the theoretical clearance); that is, the amount of elastic deformation occurring by the measured load is increased.
But with regard to roller bearings; because the amount of elastic deformation is more serious than the round.
The internal clearance of the front bearing of the device is usually indicated by the theoretical clearance.
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