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48 VRated voltage
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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Rated voltagerated_voltage
value
as printed 4848 V
source sentence额定电压 (VDC) 48
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated powerrated_power
valuemeasured at Rated voltage 48
as printed 70.470.4 W
source sentence额定功率 (W) 70.4
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated torquerated_torque
valuemeasured at Rated voltage 48
as printed 0.270.27 N·m
source sentence额定转矩 (N.m) 0.27
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Peak torquepeak_torque
valuemeasured at Rated voltage 48
as printed 0.620.62 N·m
source sentence最大转矩 (N.m) 0.62
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated currentrated_current
valuemeasured at Rated voltage 48
as printed 1.51.5 A
source sentence额定电流 (A) 1.5
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Peak currentpeak_current
valuemeasured at Rated voltage 48
as printed 3.53.5 A
source sentence最大电流 (A) 3.5
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated speedrated_speed
valuemeasured at Rated voltage 48
as printed 25002500 r/min
source sentence额定转速 (rpm) 2500
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Max speedmax_speed
valuemeasured at Rated voltage 48
as printed 30203020 r/min
source sentence最高转速 (rpm) 3020
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Torque constanttorque_constant
valuemeasured at Rated voltage 48
as printed 0.180.18 N·m/A
source sentence转矩参数 (Nm/A) 0.18
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Moment of inertiamoment_of_inertia
valuemeasured at Rated voltage 48
as printed 0.126126 g·cm²
source sentence转动惯量 (kg.cm 2 ) 0.126
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Back-EMF constantback_emf_constant
valuemeasured at Rated voltage 48
as printed 15.815.8 V/krpm
source sentence反电势系数 (V/Krpm) 15.8
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Winding inductancewinding_inductance
valuemeasured at Rated voltage 48
as printed 0.820.82 mH
source sentence线电感 (mh) 0.82
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Pole pairspole_pairs
valuemeasured at Rated voltage 48
as printed 1414
source sentence极对数 (2P) 14
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Weightweight
valuemeasured at Rated voltage 48
as printed 0.110.11 kg
source sentence重量 (kg) 0.11
sourcehttps://www.mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated voltagerated_voltage
value
as printed 4848 V
source sentence直流电压 (VDC) 直流电压 (VDC) 48
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated powerrated_power
valuemeasured at Rated voltage 48
as printed 70.470.4 W
source sentence额定功率 (W) 额定功率 (W) 70.4
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated torquerated_torque
valuemeasured at Rated voltage 48
as printed 0.270.27 N·m
source sentence额定转矩 (N.m) 额定转矩 (N.m) 0.27
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Peak torquepeak_torque
valuemeasured at Rated voltage 48
as printed 0.620.62 N·m
source sentence最大转矩 (N.m) 最大转矩 (N.m) 0.62
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated currentrated_current
valuemeasured at Rated voltage 48
as printed 1.51.5 A
source sentence额定电流 (A) 额定电流 (A) 1.5
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Peak currentpeak_current
valuemeasured at Rated voltage 48
as printed 3.53.5 A
source sentence最大电流 (A) 最大电流 (A) 3.5
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated speedrated_speed
valuemeasured at Rated voltage 48
as printed 25002500 r/min
source sentence额定转速 (rpm) 额定转速 (rpm) 2500
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Max speedmax_speed
valuemeasured at Rated voltage 48
as printed 30203020 r/min
source sentence最高转速 (rpm) 最高转速 (rpm) 3020
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Torque constanttorque_constant
valuemeasured at Rated voltage 48
as printed 0.180.18 N·m/A
source sentence转矩参数 (Nm/A) 转矩参数 (Nm/A) 0.18
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Moment of inertiamoment_of_inertia
valuemeasured at Rated voltage 48
as printed 0.126126 g·cm²
source sentence转动惯量( kg.cm²) 转动惯量( kg.cm²) 0.126
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Back-EMF constantback_emf_constant
valuemeasured at Rated voltage 48
as printed 15.815.8 V/krpm
source sentence反电势系数 (V/Krpm) 反电势系数 (V/Krpm) 15.8
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Winding resistancewinding_resistance
valuemeasured at Rated voltage 48
as printed 3.63.6 Ω
source sentence线电阻 (ohms@20℃) 线电阻 (ohms@20℃) 3.6
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Winding inductancewinding_inductance
valuemeasured at Rated voltage 48
as printed 0.820.82 mH
source sentence线电感 (mH) 线电感 (mH) 0.82
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Pole pairspole_pairs
valuemeasured at Rated voltage 48
as printed 1414
source sentence极对数 (2P) 极对数 (2P) 14
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Weightweight
valuemeasured at Rated voltage 48
as printed 0.110.11 kg
source sentence重量 (kg) 重量 (kg) 0.11
sourcehttps://www.mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
specs 29, 29 shown
Source documents.
2 sources the values were read from
2 documents
mosrac.cn/products/frameless-outrunner-motor/ue4918-outrunner.htmlMaker's document · 15 valuesRetrieved 2026-08-25
mosrac.cn/uploads/pdf/lists/ue4918-outrunner-motor-catalog.pdfMaker's document · 14 valuesRetrieved 2026-08-25
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-08-25first collected · 2 sources
Next update2026-10-01
Change history kept
Build a joint around this part.
Put a motor, a reducer and an encoder into the slots to see whether they combine.
Check joint combinationsJOINT · UE4918 · B · Motors
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