R911270310 (MDD115D-N-020-N2M-130PA0)

Name: R911270310 (MDD115D-N-020-N2M-130PA0)
Brand: Indramat Motors
SKU: MDD115D-N-020-N2M-130PA0
Price: 319.00 USD
Availability: InStock
Rating: 4.7 (5 reviews)

MDD Synchronous Motors

Rated 4.7 stars (5 total reviews)

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The Bosch Rexroth R911270310 (MDD115D-N-020-N2M-130PA0) is a brushless AC servo motor engineered for high-speed automation applications, compatible with digital drive controllers. It features a nominal speed of 2,000 rpm and delivers up to 177.2 Nm maximum torque with a continuous standstill torque of 57.0 Nm. The motor includes a low-inertia rotor, self-lubricating bearings rated for 30,000 operating hours, and an IP65-rated housing for protection against dust and water ingress. It is equipped with an integrated multiturn absolute encoder for precise feedback, a shaft with keyway and seal compliant with DIN 6885, and supports heat dissipation through surface cooling and natural convection.

Technical Specifications

Motor Type
Synchronous Motors

Nominal Speed
2,000 revolutions per minute

Maximum Torque
177.2Nm

Rotor Inertia
271 x 10-4 kgm2

Rotor Composition
Rare-earth or iron oxide magnetic materials

Bearing Lifetime
30,000 operating hours

Operation
Maintenance-free

Torque Transmission
Form-fitting

Frequently Asked Questions

How does the integrated multiturn encoder with DSF feedback improve system performance?

It allows precise absolute position tracking without homing after power loss. The DSF digital feedback ensures accurate communication with modern drive controllers.

What is the practical effect of using a shaft seal in this motor design?

The shaft seal protects against dust and light fluid ingress, extending bearing and winding life. However, it can slightly increase mechanical friction at startup.

How does the centering diameter of 130 mm affect coupling to other components?

It provides a stable mechanical interface, reducing vibration and misalignment risks. Precision mounting surfaces are essential to maintain performance.

What type of applications benefit from continuous torque delivery at standstill?

Systems requiring constant force at zero speed, such as presses or holding mechanisms, benefit most. It prevents drift under load while maintaining position control.

In the MDD115D-N-020-N2M-130PA0, what role does the keyway shaft play in torque transfer?

The keyway provides a secure method of coupling torque without slippage. Proper key sizing and alignment are essential to avoid fretting wear.

Common Misspellings

MDD-115D-N-020-N2M-130PA0

MDD115D N 020 N2M 130PA0

MDD115D-N-020-N2M-130-PA0

MDD115D-N-020-N2M-130-PAO

MDD115D-N-020-N2M-130PAO

MDD115D-N-O2O-N2M-13OPAO

MDD115DN020N2M130PA0

mdd115d-n-020-n2m-130pa0

Internal Product Review

The MDD115D-N-020-N2M-130PA0 is a synchronous motor from Bosch Rexroth Indramat MDD series. It delivers 57.0 Nm continuous torque at standstill, operates at 2000 min⁻¹ nominal speed, and includes an integrated multiturn encoder with DSF feedback. Its standard housing features balanced construction and a shaft seal for protection.