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How to check the radial clearance of rolling bearings?
2023-05-31
Pressure lead method and plugging method for measurement, radial clearance translation in the bearing code is not marked, bearing clearance according to the size of its inner diameter and different, check the table to determine, in general rolling bearing radial clearance can not be greater than three thousandths of the bearing inner diameter, radial clearance of short cylindrical bearing to the heart can not be greater than two thousandths of the bearing inner diameter.
Bearing clearance is also called bearing clearance.
Bearing clearance that bearing in not installed in the shaft or bearing box, will be its inner or outer ring of a fixed, and then facilitate the not fixed party to do radial or axial movement when the amount of movement. According to the direction of movement, can be divided into radial clearance and axial clearance.
Radial clearance: in no load, when a collar is fixed, another collar relative to the fixed collar along the radial direction from one position to another position of the movement amount.
Axial clearance: in no load, when a collar is fixed, another collar relative to the fixed collar along the axial from one position to another position of movement.
06-14
The following points should be noted to ensure that the bearings can work reliably
From the use point of view, to ensure that the bearings can work reliably should pay attention to the following points:
06-14
Depending on the operating conditions of the bearings and the requirements of the working environment on the degree of sealing, the engineering design is often a combination of various forms of seals to achieve a better sealing effect. The selection of additional seals for bearings should consider the following main factors:
06-14
The importance of sealing of spherical roller bearings
The sealing of the bearings is to make the spherical roller bearings to maintain good lubrication conditions and normal working environment, give full play to the working performance of the bearings and prolong the service life, the rolling bearings shall have a suitable seal to prevent the leakage of lubricant and the intrusion of dust, moisture or other dirt.
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