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Some concepts of bearings
发布时间:2021-08-17浏览次数:1


Some concepts of bearings


1. Bearing axis


The theoretical rotational axis line of rolling bearings, the inner ring axis line of radial bearings, and the shaft ring axis line of thrust bearings.


2. The inner ring (shaft washer)axis


The Central Line of a cylinder or cone connected to a basic cylindrical or conical hole of an inner ring (shaft ring).


3. the outer ring (housing washer)axis


If the outer surface of the outer ring is cylindrical, then the outer surface of the cylindrical axis line is the outer ring axis line, if the surface is basically spherical, then through the outer surface of the outer ring is connected with the center of the sphere, perpendicular to the outer ring reference end of the line, is the outer ring axis line.


4. cone (cup)axis


The core line of the inner ring (outer ring) of tapered roller bearing.


Radial plane


The plane perpendicular to the axis line and parallel to the section of the datum end face of the ferrule or the back of the washer may be considered the radial plane.


Radial radial direction


The direction through the axis in the radial plane.


7. Axial plane


A plane containing an axial line.


8. Axial direction


Parallel to the direction of the bearing axis line. The direction perpendicular to the reference face of the ferrule or to the cut surface of the back of the washer is considered axial.


9. Radial (axial) distance


Distance measured in the radial (axial) direction.


Nominal contact Angle (nominal contact Angle)


The Angle between the plane perpendicular to the axis line of the bearing (radial plane) and the line of action of the resultant force transferred to the rolling body through the bearing ring or washer (nominal line of action).


11. Nominal contact points


When the bearing parts are in normal relative position, the point where the rolling body contacts the raceway surface.


12. The end face of a ring (washer)


The end face of the ring (gasket) specified by the bearing manufacturer as the datum can be used as the datum for measurement.


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