Shaft with keyway
Cylindrical shaft end according to DIN 748-3 with frontal centering hole with
"DS" thread according to DIN 332-2 and keyway.
The keyway design allows form-locking transmission of torques with constant
direction and low requirements on the shaft-hub connection.
The machine elements to be driven have to be secured in axial direction via
the centering hole.
Type
Key DIN 6885-A
Centering hole DIN 332 Part 2
MS2E03-B
3×3×14
DS M3
MS2E03-D
4×4×16
DS M4
MS2E04
5×5×20
DS M5
MS2E05
6×6×32
DS M6
MS2E06
8×7×40
DS M8
MS2E07
10×8×45
DS M10
MS2E10
10×8×70
DS M12
Tab. 4-6:
Keys and centering hole for MS2E motors
Keys are not included in the scope of delivery.
We recommend regular visual inspections on shaft sealing rings. Depending
on operating conditions, signs of wear may appear after 5,000 operating
hours. If necessary, replace the shaft sealing rings.
We recommend to have these repairs made by Bosch Rexroth
Service.
Winding
MS2E motors with key are balanced with "half key". Half key balancing ac‐
cording to DIN ISO 21940-32.
The balancing type is specified at the shaft front end with "H" for half key bal‐
ancing.
H
1
2
H
1
Centering hole
2
Labeling balancing
3
Keyway
Fig. 4-2:
Shaft end
Attachment of drive elements
Refer to the notes regarding the installation of drive elements.
Explosion protection
When mounting drive elements, check their suitability and keep the ATEX di‐
rectives during operation. Selecting of all mounting components underlies the
sole responsibility of the plant manufacturer or operator.
14/65
About this product
MS2E Synchronous Servomotors acc. to ATEX Directive
2014/34/EU
Bosch Rexroth AG R911387136_Edition 02