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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.
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
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2017
Total Annual:
10 million USD-15million USD
Employee Number:
100~300
Ecer Certification:
Verified Supplier
Shenzhen Seninter Precision Machinery Co., Ltd. integrates R&D, production, sales and after-sales services. We specialize in the R&D and manufacturing of AC motors, DC motors, servo motors, brushless motors, gearboxes, geared motors and harmonic reducers, as well as supporting components for... Shenzhen Seninter Precision Machinery Co., Ltd. integrates R&D, production, sales and after-sales services. We specialize in the R&D and manufacturing of AC motors, DC motors, servo motors, brushless motors, gearboxes, geared motors and harmonic reducers, as well as supporting components for...