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Components › B · Motors › Mosrac
U5019Add to cart
Series reference image, not this exact model · from mosrac.cnU5019 — 外径50mm无框直驱直流力矩电机 电机外径 ( OD ) : 50mm — manufacturer series reference image1 / 1
深圳市强和电机有限公司 · Mosrac

U5019

B · Motors · active · sources 2
specs 34evidence [n]sources 2

No verified public price. Request a quotation from the seller.

85 WRated power
0.27 N·mRated torque
2.5 ARated current
1

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Specs.

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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Rated powerrated_power
value
as printed 8585 W
source sentence额定输出功率 (W) 85 141 220 550
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Rated torquerated_torque
value
as printed 0.270.27 N·m
source sentence额定转矩(N.m) 0.27 0.45 0.7 1.75
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Rated currentrated_current
value
as printed 2.52.5 A
source sentence额定电流 (A) 2.5 4 5.8 16
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Rated speedrated_speed
value
as printed 30003000 r/min
source sentence额定转速 (rpm) 3000 3000 3000 3000
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
No-load speedno_load_speed
value
as printed 45004500 r/min
source sentence空载转速 (rpm) 4500 4500 4500 4500
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Peak torquepeak_torque
value
as printed 0.80.8 N·m
source sentence最大转矩 (N.m) 0.8 1.35 2.1 5.25
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Peak currentpeak_current
value
as printed 7.57.5 A
source sentence最大电流(A) 7.5 12 17.5 48
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Winding resistancewinding_resistance
value
as printed 1.271.27 Ω
source sentence线电阻(ohms@20℃) 1.27 0.94 0.56 0.108
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Winding inductancewinding_inductance
value
as printed 0.820.82 mH
source sentence线电感(mH) 0.82 0.63 0.42 0.1
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Torque constanttorque_constant
value
as printed 0.1080.108 N·m/A
source sentence转矩常数(Nm/A) 0.108 0.113 0.120 0.109
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Back-EMF constantback_emf_constant
value
as printed 8.78.7 V/krpm
source sentence反电势常数 (Vrms/KRPM) 8.7 8.5 9 6.6
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Pole pairspole_pairs
value
as printed 1010
source sentence极对数(2P) 10 10 10 10
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Moment of inertiamoment_of_inertia
value
as printed 0.07676 g·cm²
source sentence转动惯量(kg.cm 2 ) 0.076 0.098 0.163 0.424
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Weightweight
value
as printed 0.1160.116 kg
source sentence重量(kg) 0.116 0.146 0.236 0.63
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Overall dimensionsoverall_dimensions
value
) 13.5
source sentence尺寸(mm) L1(铁芯高度 ) 13.5 17.5 29.5 77
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Rated voltagerated_voltage
value
as printed 4848 V
source sentence直流 电压 (VDC) 直流 电压 (VDC) 48 48 48
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated powerrated_power
valuemeasured at Rated voltage 48
as printed 8585 W
source sentence额定功率 (W) 额定功率 (W) 85 141 220
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.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 (Nm) 额定转矩 (Nm) 0.27 0.45 0.7
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Peak torquepeak_torque
valuemeasured at Rated voltage 48
as printed 0.80.8 N·m
source sentence最大转矩 (Nm) 最大转矩 (Nm) 0.8 1.35 2.1
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated currentrated_current
valuemeasured at Rated voltage 48
as printed 2.52.5 A
source sentence额定电流 (A) 额定电流 (A) 2.5 4 5.8
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Peak currentpeak_current
valuemeasured at Rated voltage 48
as printed 7.57.5 A
source sentence最大电流 (A) 最大电流 (A) 7.5 12 17.5
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated speedrated_speed
valuemeasured at Rated voltage 48
as printed 30003000 r/min
source sentence额定转速 (rpm) 额定转速 (rpm) 3000 3000 3000
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
No-load speedno_load_speed
valuemeasured at Rated voltage 48
as printed 45004500 r/min
source sentence空载转速 (rpm) 空载转速 (rpm) 4500 4500 4500
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Torque constanttorque_constant
valuemeasured at Rated voltage 48
as printed 0.1080.108 N·m/A
source sentence转矩常数 (Nm/A) 转矩常数 (Nm/A) 0.108 0.113 0.12
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Moment of inertiamoment_of_inertia
valuemeasured at Rated voltage 48
as printed 0.07676 g·cm²
source sentence转动惯量( kg.cm²) 转动惯量( kg.cm²) 0.076 0.098 0.163
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Back-EMF constantback_emf_constant
valuemeasured at Rated voltage 48
as printed 8.78.7 V/krpm
source sentence反电势常数 (V/ KRPM ) 反电势常数 (V/ KRPM ) 8.7 8.5 9
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Winding resistancewinding_resistance
valuemeasured at Rated voltage 48
as printed 1.271.27 Ω
source sentence线电阻 (ohms@20℃) 线电阻 (ohms@20℃) 1.27 0.94 0.56
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.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 0.63 0.42
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Pole pairspole_pairs
valuemeasured at Rated voltage 48
as printed 1010
source sentence极对数 (2P) 极对数 (2P) 10 10 10
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Weightweight
valuemeasured at Rated voltage 48
as printed 0.1160.116 kg
source sentence重量 (kg) 重量 (kg) 0.116 0.146 0.236
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Cogging torquecogging_torque
valuemeasured at Rated voltage 48
as printed 8.1 (参考值)8.1 mN·m
source sentence齿槽转矩(mN.m) 齿槽转矩(mN.m) 8.1 (参考值) 13.5 (参考值) 21 (参考值)
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Overall dimensionsoverall_dimensions
valuemeasured at Rated voltage 48
13.5
source sentence尺寸(mm) L1(铁芯高度) 13.5 17.5 29.5
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Overall dimensionsoverall_dimensions
valuemeasured at Rated voltage 48
14
source sentence尺寸(mm) L2(转子高度) 14 18 30
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Overall dimensionsoverall_dimensions
valuemeasured at Rated voltage 48
19.9
source sentence尺寸(mm) L3(整体高度) 19.9 24.6 37.9
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u50-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
specs 34, 34 shown

Source documents.

2 sources the values were read from

2 documents
mosrac.cn/products/frameless_dd_motor/u50-series.htmlMaker's document · 19 valuesRetrieved 2026-08-25
mosrac.cn/uploads/pdf/lists/u50-torque-motor-catalog.pdfMaker's document · 15 valuesRetrieved 2026-09-03
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

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JOINT · U5019 · B · Motors
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WRC 2026 Beijing exhibitors, and other suppliers.

深圳市强和电机有限公司Mosrac
WRC2026-D-038Hall DBooth D406CNmosrac.cn · official
This supplier's parts 159Supplier page

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