MDD025A-N-100-N2G-040FD1
MDD Synchronous Motors
Technical Specifications
Balancing
Standard
Holding Brake
With blocking brake
Holding Brake Torque
1.0 Nm
Centering Diameter
40 mm
Housing
Standard
Motor Feedback
Resolver feedback
Continuous Torque at Standstill
0.33 Nm
Motor Length Code
A
Motor Size
025
Nominal Speed
10000 min⁻¹
Shaft Seal
Without shaft seal
Shaft Type
Plain shaft
Connection Direction
Side B
Connection Type
Connecting cable with coupling unit
Product Type
Motor for digital drive controllers
Shaft End
Standard (without side B shaft end)
Frequently Asked Questions
What is the importance of the “40 mm centering diameter” for mounting, and how does it impact mechanical integration?
The 40 mm centering diameter provides a precise reference for axial and radial alignment, allowing rigid mounting to a fixture or hollow shaft coupling; misalignment here can introduce forces that the motor housing or bearings are not designed to cope with.
How does the structure of “side-B cable connection via coupling cable” influence cable routing, electromagnetic interference, and serviceability?
Side-B connection means the cable exits at one side, so routing must avoid sharp bends and stress; also shielding and cable quality are important especially at high speed to prevent EMI; for service, a coupling unit helps replace cables without disturbing the motor body.
What performance considerations are there when operating near nominal speed (10,000 rpm) under dynamic load changes?
At speeds close to 10,000 rpm, inertia, torque dropoff, and thermal limits become more sensitive; acceleration/deceleration ramps need to be controlled to avoid overshoot or thermal spikes.
In what ways is the motor’s specification (Manufacturer Bosch Rexroth, Product Code MDD025A-N-100-N2G-040FD1) critical when selecting spare parts or matching with a digital drive controller?
Because the exact product code defines winding parameters, feedback type, brake torque, and connector type, using a different variant may mismatch feedback signal, brake current, or thermal rating; correct matching ensures safe operation and avoids damaging drive electronics.
What are the trade-offs of not having a shaft seal on the plain shaft in terms of environmental protection and maintenance?
Without a shaft seal, the motor is more exposed to contaminants (dust, liquids), which can accelerate bearing wear; in harsh environments you’ll need protective enclosures or regular cleaning and lubrication to maintain reliability.
Common Misspellings
MDD-025A-N-100-N2G-040FD1
MDD025A N 100 N2G 040FD1
MDD025A-N-100-N2G-040-FD1
MDD025AN100N2G040FD1
MDD25A-N-100-N2G-040FD1
MDDO25A-N-100-N2G-040FD1
MDDO25A-N-1OO-N2G-O4OFD1
Internal Product Review
The MDD025A-N-100-N2G-040FD1 motor from Bosch Rexroth delivers a nominal speed of 10,000 min⁻¹ and 0.33 Nm continuous torque at standstill. It includes resolver feedback, a blocking brake with 1.0 Nm torque, and a plain shaft with side B cable connection. This motor is suitable for use in robotics, PCB assembly, and semiconductor processing industries.
Shipping & Payment Options
Warranty
Repair
We offer a repair service for the MDD025A-N-100-N2G-040FD1.
Want to 
