Types Of Construction; Bearing Versions; Shaft Extension - Siemens SIMOTICS S-1FK2 Series Configuration Manual

3.3

Types of construction

Table 3- 1
Designation
IM B5
IM V1
IM V3
3.4

Bearing versions

The 1FK2 motors have deep-groove ball bearings with life grease lubrication
3.5

Shaft extension

The motors are supplied with cylindrical shaft extensions. Optionally, a shaft extension with a
keyway and feather key can be supplied.
For the 1FK2❑03 and 1FK2❑04 with degree of protection IP65, the radial shaft seal ring
shortens the useful shaft extension.
Motor
1FK2❑03
1FK2❑04
1FK2❑05
1FK2❑06
1FK2❑08
1FK2❑10
The shaft extension 11 mm × 23 mm can only be supplied without a keyway and without a shaft
1)
sealing ring (IP65).
1FK2 synchronous motors for SINAMICS S120
Configuration Manual, 06/2019, A5E46927724B AB
Designation of types of construction (acc. to IEC 60034-7)
Representation Description
Standard
The motors can be used in types of construction IM V1 and
IM V3 without having to order anything special.
Note:
When configuring the IM V3 type of construction, attention must
be paid to the permissible axial forces (force due to the weight
of the drive elements) and especially to the necessary degree of
protection.
Shaft dimensions
Diameter × length in
mm Diameter × length in mm
14 (h6) × 30
11 (k6) × 23
1)
19 (k6) × 40
19 (k6) × 40
24 (k6) × 50
32 (k6) × 58
38 (k6) × 80
Shaft dimensions with
IP65
14 (h6) × 21.5
-
19 (k6) × 32
Mechanical properties
3.3 Types of construction
Feather key Centering
thread
Width × height ×
length in mm
5 × 5 × 16
-
6 × 6 × 22
6 × 6 × 32
8 × 7 × 40
10 × 8 × 45 M12
10 × 8 × 70 M12
M5
M4
M6
M6
M8
31