88mm Outer Rotor Frameless Torque Motor 485W |6.6 Nm | 2000rpm | 48 VDC
Basic Properties
Place of Origin:
CHINA
Brand Name:
SENINTER
Certification:
CE ROHS
Model Number:
SY88BLW18‑48V
Product Summary
OD:88 mm frameless motor is a high‑torque 88 mm outer‑rotor frameless BLDC torque motor, powered by standard 48 VDC industrial supply. It delivers 390 W rated power, 2.2 Nm continuous rated torque and up to 6.6 Nm peak torque, with maximum speed of 2000 RPM. Housing‑less split stator‑rotor structure ...
Product Details
OD:
88mm
ID:
63mm
Rated Torque:
2.2Nm
Rated Speed:
1700RPM
Rated Power:
390W
Rated Voltage:
48VDC
Product Description
OD:88 mm frameless motor
is a high‑torque 88 mm outer‑rotor frameless BLDC torque motor, powered by standard 48 VDC industrial supply. It delivers 390 W rated power, 2.2 Nm continuous rated torque and up to 6.6 Nm peak torque, with maximum speed of 2000 RPM.
Housing‑less split stator‑rotor structure supports direct embedding into customer‑designed mechanical assemblies. It weighs only 335 g with stack length of 25.35 mm. Thanks to the 40‑pole design, this motor achieves high torque‑density and smooth low‑speed rotation with low cogging torque. Custom winding, cable harness modification and OEM / ODM services are offered for robot integrators and automation equipment manufacturers.
- 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 | SY88BLW18 | Tolerance |
| Rotor outer diameter D | 88 mm | ±0.1 |
| Magnetic ring inner diameter D1 | 84.6 mm | 0/+0.05 |
| Magnetic ring length L | 25.35 mm | ±0.1 |
| Rotor bonding dimension L1 | 3.15 mm | ±0.3 |
| Stator inner diameter D2 | 63 mm | 0.3 |
| Stator length L2 | 18.2 mm | ±0.2 |
| Non‑wiring‑end height E | 4 mm | MAX |
| Wiring‑end height F | 6 mm | MAX |
Electrical Specifications
| Item | Unit | SY88BLW18‑48V |
| Number of poles | — | 40 |
| Number of phases | — | 3 |
| Rated voltage | VDC | 48 |
| Rated torque | N.m | 2.2 |
| Rated current | A | 8.5 |
| Rated speed | RPM | 1700 |
| Rated power | W | 390 |
| Maximum speed | RPM | 2000 |
| Peak torque | N.m | 6.6 |
| Peak current | A | 26 |
| Line‑to‑line resistance | ohms@20℃ | 0.39 |
| Line‑to‑line inductance | mH | 0.28 |
| Torque constant | N.m/A | 0.281 |
| Back EMF | Vrms/KRPM | 17 |
| Motor length | mm | 25.35 |
| Weight | g | 335 |
| Electrical time constant | ms | 0.72 |
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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