108mm Outer Rotor Frameless Torque Motor 565W |13.9 Nm | 1900rpm | 48 VDC
Basic Properties
Place of Origin:
CHINA
Brand Name:
SENINTER
Certification:
CE ROHS
Model Number:
SY108BLW38-48V
Product Summary
OD:108 mm frameless motor is a high‑torque 108 mm outer‑rotor frameless BLDC torque motor, operating at 48VDC. It delivers 3.6 Nm continuous rated torque and strong 13.9 Nm peak torque, with rated power of 565 W and maximum speed up to 1900 RPM. Housing‑free split stator‑rotor design enables direct ...
Product Details
OD:
108mm
ID:
72mm
Rated Torque:
3.6Nm
Rated Speed:
1500RPM
Rated Power:
565W
Rated Voltage:
48VDC
Product Description
OD:108 mm frameless motor
is a high‑torque 108 mm outer‑rotor frameless BLDC torque motor, operating at 48VDC. It delivers 3.6 Nm continuous rated torque and strong 13.9 Nm peak torque, with rated power of 565 W and maximum speed up to 1900 RPM.
Housing‑free split stator‑rotor design enables direct embedding into customer‑designed mechanical assemblies. Its 42‑pole topology provides excellent torque density, low cogging torque and ultra‑smooth rotation. This compact motor weighs only 514 g with stack length of 22.8 mm. Custom winding, cable harness modification and full OEM/ODM service are available for robot and automation integrators.
- Collaborative robot joints & high‑speed robotic actuators
- Industrial automation and rotary positioning platforms
- Portable medical automation devices
- High‑speed optical inspection equipment
- AGV / AMR drive and steering units
- Special‑purpose high‑speed automated machinery
Customization is available upon request for this motor series, including but not limited to rated voltage, speed, torque, lead wire specifications, outlet orientation, shaft configuration, encoder/sensor integration, and more. Please provide your specific requirements, and we will offer a tailored solution for you.
Dimensions
| Items | SY108BLW38 | Tolerance |
| Rotor outer diameter D | 108 mm | ±0.2 |
| Magnetic ring inner diameter D1 | 104.2 mm | 0/+0.05 |
| Magnetic ring length L | 22.8 mm | ±0.1 |
| Rotor bonding dimension L1 | 4 mm | ±0.3 |
| Stator inner diameter D2 | 72 mm | 0/+0.05 |
| Stator length L2 | 15.8 mm | ±0.2 |
| Non‑wiring‑end height E | 2.8 mm | MAX |
| Wiring‑end height F | 5.1 mm | MAX |
Electrical Specifications
| Item | Unit | SY108BLW38‑48V |
| Number of poles | — | 42 |
| Number of phases | — | 3 |
| Rated voltage | VDC | 48 |
| Rated torque | N.m | 3.6 |
| Rated current | A | 14.5 |
| Rated speed | RPM | 1500 |
| Rated power | W | 565 |
| Maximum speed | RPM | 1900 |
| Peak torque | N.m | 13.9 |
| Peak current | A | 56 |
| Line‑to‑line resistance | ohms@20℃ | 0.17 |
| Line‑to‑line inductance | mH | 0.2 |
| Torque constant | N.m/A | 0.281 |
| Back EMF | Vrms/KRPM | 17 |
| Motor length | mm | 22.8 |
| Weight | g | 514 |
| Electrical time constant | ms | 1.14 |
Electric Connection:
| Color | Type | Functions |
| White (WHT) | UL1332 AWG26 | NTC |
| White (WHT) | UL1332 AWG26 | NTC |
| Yellow | UL1332 AWG24 | Phase U |
| Red | UL1332 AWG24 | Phase V |
| Black | UL1332 AWG24 | Phase W |
Torque Performance Curves
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