Siemens SIMOTICS S-1FK2 - Radial Eccentricity, Concentricity and Axial Eccentricity

3.7 Radial eccentricity, concentricity and axial eccentricity
The shaft and 󹪞ange accuracies for 1F☐2 motors are in compliance with DIN 42955 (IEC
60072-1) as standard (Normal class).
Table 3-3 Radial eccentricity tolerance of the shaft to the frame axis (referred to cylindrical shaft ends)
Motor Standard (Normal class)
1F☐2☐03 0.035 mm
1F☐2☐04
0.04 mm
1F☐2☐05
1F☐2☐06
1F☐2☐08
0.05 mm
1F☐2☐10
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① Motor
② Motor shaft
③ Dial gauge
Figure 3-9 Checking the radial eccentricity
Table 3-4 Concentricity and axial eccentricity tolerance of the 󹪞ange surface to the shaft axis (referred
to the centering diameter of the mounting 󹪞ange)
Motor Standard (Normal class)
1F☐2☐03
0.08 mm
1F☐2☐04
1F☐2☐05
1F☐2☐06
0.1 mm
1F☐2☐08
1F☐2☐10
Mechanical properties
3.7 Radial eccentricity, concentricity and axial eccentricity
1FK2 Synchronous Motors for SINAMICS S120
Con󹪝guration Manual, 02/2022, A5E46927724B AD 51