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The Necessary Secret Of IKO Rolling Bearing Selection
The Necessary Secret Of IKO Rolling Bearing Selection
2021-12-11
High Temperature Bearing
High Temperature Bearing
2021-12-11

Type Selection Of Rolling Bearing

 

When selecting the type of rolling bearing:

The working load (size, nature and direction), rotating speed and other application requirements of the bearing shall be considered.

 

1) Ball bearing should be selected when the speed is high, the load is small and the rotation accuracy is required to be high; Roller bearings are selected when the speed is low, the load is large or there is impact load.

 

2) The bearing is subject to combined radial and axial loads at the same time. Generally, angular contact ball bearings or tapered roller bearings are selected; If the radial load is large and the axial load is small, the deep groove ball bearing can be selected; When the axial load is large and the radial load is small, the thrust angular contact ball bearing, four point contact ball bearing or the combined structure of thrust ball bearing and deep groove ball bearing can be used.

Type Selection Of Rolling Bearing
 
3) When various bearings are used:

The inclination angle between the inner and outer rings shall be controlled within the allowable angle deviation value, otherwise the additional load of the bearing will be increased and the service life will be reduced.

 

4) Double row ball bearings, roller bearings or four point contact ball bearings should be selected for shafting with large stiffness requirements. Double row or multi row roller bearings can be used at the same fulcrum when the load is very large or there is a large impact force. The high stiffness of the bearing system can improve the rotation accuracy of the shaft and reduce vibration and noise.

 

5) In order to facilitate installation, disassembly and clearance adjustment, separable bearings with separable inner and outer rings (such as tapered roller bearings and four point contact ball bearings) are often selected.

 

6) Pay attention to economy when selecting bearings. Ball bearings are cheaper than roller bearings. The price ratio of rolling bearings with dimensional tolerance grades P0, P6, P5, P4, P2 and P2 of the same model is about 1 ∶ 1.5 ∶ 2 ∶ 7 ∶ 10.

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