U25 Series Frameless Direct Drive Motor
The Mosrac U25 series frameless direct drive motors (robot joint motor) are designed to be directly embedded in your machine, providing the highest pe...
U38 Series Frameless Torque Motor
A frameless motor with a 38mm outer diameter and an 18mm aperture, designed for direct drive of robot joints, provides stable torque and precise speed...
U50 Series Frameless Motor
A frameless torque motor (Frameless torque servo motor) with a 28mm aperture and a 50mm outer diameter directly drives robot joints. Rated torque opti...
U60 Series Frameless BLDC Motor
A 60mm OD frameless torque motor can directly drive robot joints with optional rated torque. Highly customizable with various options to meet your spe...

U50 Series Frameless MotorOuter diameter ( OD ) : 50mm

A frameless torque motor (Frameless torque servo motor) with a 28mm aperture and a 50mm outer diameter directly drives robot joints. Rated torque options: 0.27Nm, 0.42Nm, 0.7Nm, and more. Highly customizable.

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Specification

Main Parameters		U5019	U5024	U5037
Voltage(VDC)		48	48	48
Rated Output(W)		85	132	220
Rated torque(Nm)		0.27	0.42	0.7
Instant Max Torque(Nm)		0.8	1.2	2
Rated Current(Arms)		3.3	5.5	5.5
Instant Max Current(Arms)		10	17	17
Rated Speed(rpm)		3000	3000	3000
MaxSpeed(rpm)		6000	6000	6000
Torque Parameter(Nm/Arms)		0.08	0.08	0.13
Rotor inertia 10^-4kg.m²		0.08	0.11	0.18
Back EMF coefficient(Vrims/rad/s)		7	7	7
Resistance(Ω)		1.75	0.56	0.74
Inductance(mH)		1.5	0.45	0.59
Pole-pairs number(2P)		10	10	10
Weight(kg)		0.12	0.157	0.266
Motor height(mm)	L1	14	18	30
	L2	13.5	17.5	29.5
	L3	19.8	24.3	37.9

Drawing

Download

U5019 Torque Motor Catalog.pdf
OD: 50mm|Height: 19.8mm
U5024 Torque Motor Catalog.pdf
OD: 50mm|Height: 24.3mm
U5037 Torque Motor Catalog.pdf
OD: 50mm|Height: 37.9mm
U50 Series Frameless Motor Catalog.pdf
OD: 50mm|Height: 19.8~24.3~37.9mm optional
U5019 Torque Motor 3D Model.stp
OD: 50mm|Height: 19.8mm
U5024 Torque Motor 3D Model.stp
OD: 50mm|Height: 24.3mm
U5037 Torque Motor 3D Model.stp
OD: 50mm|Height: 37.9mm

Application case

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U38 Series Frameless Torque Mo

U60 Series Frameless BLDC Moto

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Model	OD(mm)	ID(mm)	Height(mm)	Rated Torque(Nm)	Rated Power(W)	Rated Speed(rpm)	Voltage(V)
U25 Series	25	11.6	10.8~23.4	0.025	10.5	4000	24
U38 Series	38	18	15.3~34.3	0.1	31	3000	48
U50 Series	50	28	19.8~37.9	0.27	85	3000	48
U60 Series	60	33	17.7~35.8	0.45	142	3000	48
U68 Series	68	37	18.3~36.4	0.63	198	3000	48
U76 Series	76	42	18.6~36.7	0.89	280	3000	48
U85 Series	85	47	19.3~37.4	1.21	380	3000	48
U94 Series	94	42	19.7~37.8	1.58	497	3000	48
U115 Series	115	65	26.3~44.4	3	943	3000	48
U130 Series	130	84	25.9 35.9 60.9	5 9 18	419.2 471.6 754.56	800 500 400	48
U160 Series	160	106	25.9 35.9 60.9	9 15 32	471.6 471.6 670.72	500 300 200	48
U200 Series	200	140	25.9 35.9 60.9	13 24 50	408.72 503.04 524	300 200 100	48

Mode	OD(mm)	ID(mm)	Height(mm)	Rated Torque(Nm)	Rated Power(W)	Rated Speed(rpm)	Voltage(V)
FI-40 Series	40	6.5	48~65	0.25	7.9	300	48
FI-60 Series	60	15	60~80	0.5	15.7	300	220
FE-80 Series	80	15	47~67	1	21	200	220
FI-80 Series	80	12	50	0.9	28.3	300	220
FE-112 Series	112	19	65~95	3	62.9	200	220
FI-120 Series	120	42	64	2.4	37.7	150	220
FE-140 Series	140	30	50~80	6	188.6	300	220
FI-140 Series	140	28	85~188	10.5	220.1	200	220
FE-170 Series	170	42	50~155	4.5	117.9	250	220
FI-170 Series	170	50	50~100	5.4	141.5	250	220
FI-180 Series	180	50	55~125	14	220.1	150	220
FI-220 Series	220	30	123~208	50.6	530.3	100	220
FE-224 Series	224	50	42~62	14.1	295.5	200	220
FI-224 Series	224	50	42	9.9	155.6	150	220
FE-263 Series	263	88	113~188	95	796.5	80	220
FI-280 Series	280	60	95~145	45	565.9	120	220
FI-300 Series	300	150	75	35	330.1	90	220
FI-375 Series	375	88	150~200	200	1257.6	60	220

Series	Types	RotorID	StatorOD	Stator installation pitch circle	Stator shieldOD	Overall thickness
10	Standard Compact	8/10 8/10	36 27	25 23	20	7
15	Standard Compact	12/13/15 12/13/15	40 32	30 28	25	7
20	Standard Standard Compact	6/8/10 15/18/20 18/20	45 45 37	36 36 33	30	7
25	Standard Compact	23/25	50 42	40 38	35	7
30	Standard Compact	28/30	55 47	45 43	40	7
35	Standard Compact	33/35	60 52	50 48	45	7
40	Standard Compact	38/40	65 57	55 53	50	7
45	Standard Compact	43/45	70 62	60 58	55	7
50	Standard Compact	48/50	75 67	65 63	60	7
55	Standard Compact	53/55	80 72	70 68	65	7

Series	Model	Inner rotorThread	Inner rotorMatch ID (H7)	Outer rotor Thread	Outer rotorMatch ID (H7)	StatorMatch ID (H7)
10-15-25	T-10-15-25	M10x0.4mm	9	M15x0.4mm	14	25
15-20-30	T-15-20-30	M15x0.4mm	14	M20x0.4mm	19	30
20-25-35	T-20-25-35	M20x0.4mm	19	M25x0.4mm	24	35
25-30-40	T-25-30-40	M25x0.4mm	24	M30x0.4mm	29	40
30-35-45	T-30-35-45	M30x0.4mm	29	M35x0.4mm	34	45