Ironless
Coreless rotor design
The ironless winding structure reduces rotor inertia and supports responsive acceleration and deceleration in compact motion systems.
SP40ZYCC72-2 40 mm Brushed Coreless DC Motor
Brushed Coreless DC Motor
Compact 40 mm brushed coreless DC motor with a 48 VDC winding, 6,600 rpm no-load speed, 200 mN·m continuous torque and graphite brushes.
Positioning accuracy
High torsional rigidity and constant torsional backlash over the entire gearbox service life ensure consistently high performance
Compactness
High torque density thanks to high performance and short design
Low maintenance
Highest quality standards for a long service life and extended maintenance intervals
Technical data
40 mm brushed coreless motor
48 VDC coreless drive for higher-torque compact motion
The SP40ZYCC72-2 40 mm brushed coreless DC motor combines an ironless rotor, a 48 VDC winding and graphite-brush commutation. Rated data includes 6,600 rpm no-load speed, 200 mN·m maximum continuous torque and 85% maximum efficiency.
40 mm
Cylindrical motor frame
The 40 mm motor body provides a defined shaft and mounting interface for precision rotary mechanisms.
200 mN·m
Continuous torque capability
Maximum continuous torque is specified at 200 mN·m with a maximum continuous speed of 5,500 rpm.
Engineering data
Electrical and mechanical specifications
40 mmMotor diameter
48 VDCRated voltage
6,600 rpmNo-load speed
200 mN·mContinuous torque
Performance data
40ZYCC72-2 specifications
| Parameter | Unit | 40ZYCC72-2 |
|---|---|---|
| Motor model | — | 40ZYCC72-2 |
| Rated voltage | V | 48 |
| No-load speed | rpm | 6,600 |
| No-load current | A | 0.15 |
| Maximum continuous torque | mN·m | 200 |
| Maximum continuous speed | rpm | 5,500 |
| Maximum continuous current | A | 3.8 |
| Maximum efficiency | % | 85 |
| Peak torque | mN·m | 1,080 |
| Peak current | A | 16 |
| Terminal resistance | Ω | 2.94 |
| Motor inductance | mH | 0.98 |
| Torque constant | mN·m/A | 65.9 |
| Back-EMF constant | rpm/V | 143 |
| Speed constant | rpm/mN·m | 6.36 |
| Rotor inertia | g·cm² | 142 |
| Mechanical time constant | ms | 9.6 |
| Insulation class | — | F / 155 °C |
| Housing-to-ambient thermal resistance, no load | K/W | 15 |
| Ambient temperature | °C | −20 to 65 |
| Maximum winding temperature, no load | °C | 155 |
| Brush type | — | Graphite brush |
| Commutator segments | — | 13 |
| Weight | g | 460 |
Mechanical drawing and curve
Dimensions and performance characteristics
Compact rotary motion
Coreless construction for responsive drive behavior
The ironless rotor architecture supports rapid speed changes in a compact 40 mm package. The 48 VDC winding, graphite-brush commutation and defined shaft geometry provide clear electrical and mechanical integration points.
- 40 mm cylindrical motor frame
- 48 VDC rated winding
- Graphite brushes with 13 commutator segments
Application areas
A coreless motor platform for precision mechanisms
Medical equipment
Rotary mechanisms where low inertia, responsive control and a defined 48 VDC supply are important selection factors.
Robotics
Actuation and adjustment functions that require a compact motor, defined shaft interface and higher continuous torque.
Precision instruments
Drive functions for measurement, positioning and laboratory equipment with controlled speed and torque requirements.
OEM assemblies
Custom equipment where load, speed, duty cycle and thermal conditions are reviewed during motor selection.
Configuration data
Selection and integration information
Confirm the load point, duty cycle, controller, shaft connection and thermal path before final motor selection.
Motor model40ZYCC72-2
Rated voltage48 VDC
Frame diameter40 mm
Ambient temperature−20 to 65 °C
Insulation classF / 155 °C
Brush systemGraphite brush, 13 commutator segments
Weight460 g
Discuss your 40 mm motor requirements
Share the load, speed, duty cycle, controller, installation space and shaft interface for application review.
Contact us
Would you like to learn more about our solutions?
We would be happy to advise you—personally, competently, and tailored to your requirements.
Perfection in a new dimension
Further Information
Short delivery times available for selected product configurations.
The TP+ HIGH TORQUE enables maximum torque density and maximum torsional rigidity—ideal for demanding applications with dynamic load changes and high positioning accuracy.
alpha Advanced Line gearboxes with increased durability and food-grade lubrication available.
The TP+ for coordinated pinion-rack systems for medium to high requirements. Typical areas of application in wood, plastic, and composite processing, in machining centers, or in automation.
With cynapse® and smart services, you can unleash the full potential of your drive system: sensor data is processed, visualized, and analyzed intelligently. Find out how the combination of gearboxes with cynapse® and our Smart Services can make your digital production faster, safer, and more efficient.
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