Permissible radial forces for SH 280
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Figure4-37 SH 280, Standard with locating bearing, 20,000 h bearing lifetime
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Figure4-38 SH 280, increased radial force, 12,000 h bearing lifetime,minimum radial force: 9 kN
Note
Bearing with increased radial force
The roller bearings used here could sustain damage if they are operated under no load.
Observe the specied minimum radial forces!
Axial forces
Deep-groove ball bearings can absorb both radial as well as axial forces.
The maximum axial forces F
A
as a function of the radial force are shown in the following
force diagrams.
The permissible bearing forces are specied without taking into account the force due to
spring-loaded bearings, the rotor weight for vertical mounting as well as the direction of the
force.
Note
Determining the permissible axial forces
The permissible axial forces at the shaft extension F
A perm
are dependent on the application
(mounting, force direction) and must be calculated.
Mechanical properties
4.7Radial and axial forces
1PH8 SIMOTICS M main motors
124 Conguration Manual, 12/2022, A5E51895839A
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