HOLRY
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Product Description
HOLRY 100mm large outer diameter frameless BLDC motor, with a split hollow stator and rotor structure, offers extremely high torque output and outstanding power density. It can be integrated directly into equipment without an outer casing, featuring direct drive with zero backlash and smooth operation at low speeds. It supports customization of voltage, stack thickness, and sensor components, and is suitable for heavy-duty robotic arms, large photoelectric turntables, and human-shaped robot torso joints.
100mm Frameless BLDC Motor Manufacturer - OEM Frameless Motor - HOLRY
Application of Fulling frameless motor - HOLRY
Curves

Specifications
| Ambient Temp | 25 ℃ |
| Winding Temp | 155°C |
| Winding adjustment | 0 |
| System Friction | 0 N·m |
| Heat Sink | 7.87" x 7.87" x 0.5" |
| Bus Voltage (Vbus) | 72 VDC |
| Max Cont. Torque (Tcont) | 0.890 Nm |
| Max Cont. Current (Icont) | 1.26 |
| Peak Torque (Tpk) | 2.697 Nm |
| Peak Current (Ipk) | 3.68 Arms |
| Rated Torque (Trtd) | 0.855 Nm |
| Rated Power (Prtd) | 54 W |
| Rated Speed (Nrtd) | 603 RPM |
| Rm at Tamb | 13.5 Ω |
| LM | 26.4 mH |
| Back EMF | 70 Vpk / kRPM |
| Kt at Temp | 0.707 N·m/Arms |
| Km: | 0.182 Nm/√W |
| Commutation | sine |
| NL Comm Freq | 137 Hz |
| Stack Length | 7 mm |
| Rotor ID | 60 mm |
| Weight | 0.25 kg |
| Poles | 16 |
Dimensions
