Data captured: · Published: · Update delayed: this release is over 8 days old.
Series reference image, not this exact model · from mosrac.cn
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1 / 1specs 29evidence [n]sources 2
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31.4 WRated power
0.05 N·mRated torque
2.1 ARated current
1
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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Rated powerrated_power
value
as printed 31.431.4 W
source sentence额定输出功率 (W) 15.7 31.4 47.1
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Rated torquerated_torque
value
as printed 0.050.05 N·m
source sentence额定转矩(N.m) 0.025 0.05 0.075
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Rated currentrated_current
value
as printed 2.12.1 A
source sentence额定电流 (A) 2 2.1 3
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Rated speedrated_speed
value
as printed 60006000 r/min
source sentence额定转速 (rpm) 6000 6000 6000
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
No-load speedno_load_speed
value
as printed 80008000 r/min
source sentence空载转速 (rpm) 8000 8000 8000
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Peak torquepeak_torque
value
as printed 0.150.15 N·m
source sentence瞬时最大转矩 (N.m) 0.075 0.15 0.225
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Peak currentpeak_current
value
as printed 6.36.3 A
source sentence最大电流(A) 6 6.3 9
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Torque constanttorque_constant
value
as printed 0.0240.024 N·m/A
source sentence转矩常数(Nm/A) 0.0125 0.024 0.025
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Back-EMF constantback_emf_constant
value
as printed 1.671.67 V/krpm
source sentence反电势常数 (Vrms/KRPM) 0.93 1.67 1.95
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Pole pairspole_pairs
value
as printed 77
source sentence极对数(2P) 7 7 7
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Moment of inertiamoment_of_inertia
value
as printed 0.0033 g·cm²
source sentence转动惯量(kg.cm 2 ) 0.002 0.003 0.006
sourcehttps://www.mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdf · p.1 · Maker's document
EvidenceSourced
Retrieved · Changed2026-09-03Changed —
Rated voltagerated_voltage
value
as printed 2424 V
source sentence电压 (VDC) 电压 (VDC) 24 24 24
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated powerrated_power
valuemeasured at Rated voltage 24
as printed 31.431.4 W
source sentence额定输出功率 (W) 额定输出功率 (W) 15.7 31.4 47.1
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated torquerated_torque
valuemeasured at Rated voltage 24
as printed 0.050.05 N·m
source sentence额定转矩 (N.m) 额定转矩 (N.m) 0.025 0.05 0.075
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Peak torquepeak_torque
valuemeasured at Rated voltage 24
as printed 0.150.15 N·m
source sentence瞬时最大转矩 (N.m) 瞬时最大转矩 (N.m) 0.075 0.15 0.225
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated currentrated_current
valuemeasured at Rated voltage 24
as printed 2.12.1 A
source sentence额定电流 (A) 额定电流 (A) 2 2.1 3
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Peak currentpeak_current
valuemeasured at Rated voltage 24
as printed 6.36.3 A
source sentence瞬时最大电流 (A) 瞬时最大电流 (A) 6 6.3 9
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rated speedrated_speed
valuemeasured at Rated voltage 24
as printed 60006000 r/min
source sentence额定转速 (rpm) 额定转速 (rpm) 6000 6000 6000
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Max speedmax_speed
valuemeasured at Rated voltage 24
as printed 80008000 r/min
source sentence最高转速 (rpm) 最高转速 (rpm) 8000 8000 8000
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Torque constanttorque_constant
valuemeasured at Rated voltage 24
as printed 0.0240.024 N·m/A
source sentence转矩参数 (Nm/A) 转矩参数 (Nm/A) 0.0125 0.024 0.025
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Rotor inertiarotor_inertia
valuemeasured at Rated voltage 24
as printed 0.0033 g·cm²
source sentence转子转动惯量( kg.cm²) 转子转动惯量( kg.cm²) 0.002 0.003 0.006
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Back-EMF constantback_emf_constant
valuemeasured at Rated voltage 24
as printed 1.671.67 V/krpm
source sentence反电势系数 (V/Krpm) 反电势系数 (V/Krpm) 0.93 1.67 1.95
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Winding resistancewinding_resistance
valuemeasured at Rated voltage 24
as printed 1.321.32 Ω
source sentence线电阻 (Ω) 线电阻 (Ω) 0.92 1.32 0.95
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Winding inductancewinding_inductance
valuemeasured at Rated voltage 24
as printed 0.280.28 mH
source sentence线电感 (mH) 线电感 (mH) 0.18 0.28 0.2
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Pole pairspole_pairs
valuemeasured at Rated voltage 24
as printed 77
source sentence极对数 (2P) 极对数 (2P) 7 7 7
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Cogging torquecogging_torque
valuemeasured at Rated voltage 24
as printed 0.9(参考值)0.9 mN·m
source sentence齿槽转矩(mN.m) 齿槽转矩(mN.m) 0.45(参考值) 0.9(参考值) 1.35(参考值)
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Overall dimensionsoverall_dimensions
valuemeasured at Rated voltage 24
10.5
source sentence尺寸(mm) L1(铁芯高度) 6.3 10.5 18.5
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Overall dimensionsoverall_dimensions
valuemeasured at Rated voltage 24
11.5
source sentence尺寸(mm) L2(转子高度) 7.3 11.5 19.5
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.html · Maker's document
EvidenceSourced
Retrieved · Changed2026-08-25Changed —
Overall dimensionsoverall_dimensions
valuemeasured at Rated voltage 24
15.6
source sentence尺寸(mm) L3(整体高度) 11.2 15.6 23.7
sourcehttps://www.mosrac.cn/products/frameless_dd_motor/u25-series.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_dd_motor/u25-series.htmlMaker's document · 18 valuesRetrieved 2026-08-25
mosrac.cn/uploads/pdf/lists/u25-torque-motor-catalog.pdfMaker's document · 11 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
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 · U2515 · B · Motors
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