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specs 15evidence [n]sources 1
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550 WRated power
1.75 N·mRated torque
16 ARated current
1
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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Rated powerrated_power
value
as printed 550550 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 1.751.75 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 1616 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 5.255.25 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 4848 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 0.1080.108 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 0.10.1 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 0.1090.109 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 6.66.6 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 0.424424 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 0.630.63 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
77
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 —
specs 15, 15 shown
Source documents.
1 source the values were read from
1 documents
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
2026-09-03first collected · 1 sources
Next update2026-10-01
Change history kept
Build a joint around this part.
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Check joint combinationsJOINT · U5085 · B · Motors
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