Siemens SIMOTICS S-1FT2 - Shaft Extension Specifications

4.2 Shaft extension
Description
The motors are supplied with cylindrical shaft extensions. The shaft extension usually has a
centering thread according to DIN 332, form DR.
Optionally, a shaft extension with a keyway and feather key can be supplied.
For the 1F☐2☐03 and 1F☐2☐04 with degree of protection IP65 or IP67, the radial shaft
sealing ring shortens the usable shaft extension.
Frame size Shaft dimensions
with IP64
Diameter × length in
mm
Shaft dimensions with
IP65 or IP67
Diameter × length in
mm
Fitted key
Width × height ×
length in mm
Centering
thread
DIN 332-DR
1F☐2☐03 14 (h6) × 30 14 (k6) × 21.5 5 × 5 × 16 M5
11 (k6) × 23
1)
- - M4
1F☐2☐04 19 (k6) × 40 19 (k6) × 32 6 × 6 × 22 M6
14 (k6) × 30
1)
- - M5
1F☐2☐05 19 (k6) × 40 6 × 6 × 32 M6
1F☐2☐06 24 (k6) × 50 8 × 7 × 40 M8
1F☐2☐08 32 (k6) × 58 10 × 8 × 45 M12
1F☐2☐10 38 (k6) × 80 10 × 8 × 70 M12
1)
Shaft extensions 11(k6) mm × 23mm and 14 (k6) × 30 are only available without keyway
and without shaft sealing ring (IP65 or IP67).
Mounting and options
4.2Shaft extension
SIMOTICS S-1FT2 synchronous motors for SINAMICS S120
42 Operating Instructions, 12/2023, A5E50610821B AF