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Select imported bearing elements

Select imported bearing elements

2020-04-16

1. Radial load of bearing


The bearings that mainly bear radial load are centripetal bearings. This type of bearing nominal contact Angle A0 = 450. Foot rain the same roller bearings than ball bearings can withstand greater radial load.


N and NU cylindrical roller bearings can only bear radial load, other types of centripetal bearings can bear both radial load and axial load.


2. Axial load of bearing

Main bearing bearing axial load is generally thrust bearing, its nominal contact corner A0 450. Thrust bearings and thrust angular contact ball bearings can bear axial forces in one or both directions at the same time depending on the structure. Thrust cylindrical roller bearings and thrust centering roller bearings are preferred when bearing especially high directional force.


Thrust aligning roller bearings and unidirectional thrust angular contact ball bearings can bear both axial and radial loads, while other thrust bearings can only bear axial loads.


3. Length compensation of the bearing itself


The supporting shaft and bearings are usually a combination of fixed and floating bearings. Floating bearing compensates shaft length error and thermal expansion.


NU type and N type cylindrical roller bearings are ideal for swimming bearings. These bearings themselves can compensate for the length. The inner and outer rings of the bearing can be fitted tightly.


4. Length compensation of sliding fit


Non-separable bearings (such as deep groove ball bearings and adjustable roller bearings) can also be used for swimming bearings. One of the two rings of this type of bearing is fitted without an axial fixed surface. Therefore, a ring of the bearing can move on its supporting surface.


5. Separable bearing (precision)


This is a bearing that the rings can be mounted separately. When both rings are fitted tightly, its advantages are very prominent.


Separable bearings include four-point contact ball bearings, double-row angular contact ball bearings with double half inner ring, cylindrical roller bearings, tapered roller bearings, thrust ball bearings, thrust cylindrical roller bearings and thrust centering roller bearings.



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