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Hollow-Shaft Motor MG-H49-12

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Categories	Hollow-Shaft Motor
Brand	Solismotor Custom Robot Joint Drives
Model	MG-H49-12
Rated Torque	0.15N·m
Peak Torque	0.45N·m
Rated Power	24W
Encoder	16-Bit, Dual Support
Communication	CAN / TTL Configuration
Protection	IP54
Weight	~115g
Repeatability	±0.006°

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Detail Information

MG-H49-12 Hollow-Shaft Motor

The MG-H49-12 is a compact hollow-shaft brushless servo motor designed for robot joints, precision gimbals, rotary stages, and automation equipment. It integrates a brushless motor, servo driver, and position-feedback system into a compact housing, reducing the need for external drivers, encoder boards, and additional wiring.

With a 12–24 VDC operating range, the MG-H49-12 delivers 0.15 N·m rated torque, 0.45 N·m peak torque, and a maximum speed of 2,700 rpm. Its rated power is 24 W, with an instantaneous power capability of up to 144 W.

Product Advantages

Compact Integrated Design

The motor, servo driver, and position-feedback system are integrated into a single unit, reducing external components, mounting space, and electrical connections.With dimensions of Ø49 × 24 mm and a weight of approximately 115 g, the MG-H49-12 is suitable for compact robot joints, gimbals, inspection systems, and precision rotary mechanisms.

Ø12.5 mm Hollow Bore

The motor features a minimum Ø12.5 mm hollow bore, allowing power cables, signal wires, optical fibers, or pneumatic lines to pass through the rotation axis.This design simplifies internal routing and reduces cable interference, twisting, and pulling during rotary motion.

16-Bit Absolute Encoder

The MG-H49-12 integrates a 16-bit single-turn absolute encoder, providing detailed angular feedback for closed-loop motion control.The encoder supports direct single-turn position detection at startup, reducing the need for conventional homing procedures.

±0.006° Positioning Accuracy

The specified repeatability and absolute positioning accuracy are both ±0.006°, making the motor suitable for precision positioning and angle-control applications.Its speed variation rate is below ±0.5%, while the specified speed resolution is 0.0001 Hz, supporting smooth and stable low-speed operation.

Precision Bearing Support

The MG-H49-12 uses a 6703 P5-grade bearing, providing stable support for the hollow rotor.The bearing has a rated dynamic load of 1 kN and a rated static load of 0.66 kN. Actual allowable external loads should be evaluated according to mounting conditions, load direction, moment arm, and service-life requirements.

Low-Noise, Low-Maintenance Operation

The specified operating noise is below 50 dB, making the motor suitable for laboratory equipment, optical instruments, service robots, and other noise-sensitive systems.

Technical Specifications

ParameterValue

ModelMG-H49-12

Configuration InterfaceTTL

Voltage Range24 VDC

Rated Torque0.15N·m

Peak Torque0.45N·m

Rated Power24W

Encoder Resolution16-Bit

CommunicationCAN /CAN FD

Protection RatingIP54

Weight (with driver)~115g

Repeatability±0.006°

Noise< 50 dB

Working Temperature-20 ~ +80 °C

Dual Encoder SupportYes (Output Shaft)

Custom Brake SupportYes

Key Applications

Humanoid Robots

Joint actuation for bipedal and full-body humanoid platforms

Collaborative Robots

Safe, precise motion for cobot arms and grippers

Exoskeletons

Power assist and rehabilitation exoskeleton systems

Education & Research

Robotics labs, university projects, and prototyping

Medical Assistants

Surgical robots and rehabilitation equipment

Smart Automation

Automated guided vehicles and smart manufacturing

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