High Precision Planetary Gearbox (Standarded)

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DESBOER NF Series Precision Planetary Gearbox for Servo Moto

We provide customers with high precision, high rigidity, high torque prdcision planetary gearbox
Model:47\64\90\110\140\200\255\285
Ratio:4 - 200
Backlash: ≤1arcmin -≤7 arcmin
Nominal Output Torque: 25 - 3200 Nm
DESBOER NF Series delivers ultra-high precision (1–3 arcmin backlash) and durability, featuring high-rigidity tapered roller bearings for superior radial/axial load capacity. Its square through-hole flange enables easy machine installation, earning a 4-star performance rating for demanding servo applications.

Ordering Instructions

Key Features

Our planetary gearboxes are designed for high precision servo applications. They feature compactstructure, high load capacity and long service life, making them ideal for robotics, CNC machines and automation.

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1)、Monoblock housing design: Higher precision.

Ultimate tensile stiffness.

Higher torsional strenght.

2)、High precision bearings: Ensuring a higher radial and axial load capacity.

3)、High precision oil seal: Increased efficiency due to lowere friction.

IP65 protection level ensures continuous operation up to 90℃.

4)、Helical gear: Optimized power transmission; Low noise; Improver precision.

5)、Intergrated planetary design: Increased torsional torque.

Optimized power transmission.

Gearbox Technical Specifications

The Bearing Stress Point Z (Output)

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Series	NF060	NF075	NF100	NF140	NF180	NF220	NF250
Center Distance X (mm)	14	18.25	29	41	41	52.5	65
Load Point Z (mm)	42.5	61.2	69.3	97.7	129.2	134.1	164.0

Gearbox Performance Data

Parameters		Stage	Ratio i	NFS060	NF060	NFS075	NF075	NF100	NF140	NF180	NF220	NF250
T2NRated output torque	Nm	1	3	40	55	-	130	220	330	890	1350	2380
			4	40	50	115	150	300	560	1100	2000	3050
			5	45	58	125	160	340	610	1180	2050	3200
			6	-	-	110	150	300	600	1100	1900	2850
			7	40	50	110	150	290	560	1000	1600	2850
			8	35	45	-	130	250	550	960	1550	2500
			10	25	35	-	110	220	460	950	1250	1850
		2	15	-	55	-	130	220	330	890	1350	2380
			16	-	50	-	150	300	560	1100	2000	3050
			20	-	50	-	150	300	560	1100	2000	3050
			25	-	58	-	160	340	610	1180	2050	3200
			30	-	-	-	150	300	600	1100	1900	2850
			35	-	50	-	150	300	560	1000	1700	2850
			40	-	45	-	130	250	560	950	1600	2750
			45	-	-	-	-	-	460	-	-	-
			50	-	50	-	160	310	610	1180	2000	3100
			60	-	-	-	150	300	560	1050	1700	2850
			70	-	50	-	150	290	560	1000	1600	2800
			80	-	45	-	130	250	550	950	-	-
			100	-	35	-	110	220	460	950	1250	1850
T2BMax acceleration torque	Nm	1，2	3~100	1.8x rated output torque
T2NOR★Emergency stop torque	Nm	1，2	3~100	3x rated output torque
η1NRated input speed	rmp	1	3~5	4000	4000	4000	4000	3000	2500	2500	2000	1500
		1	6~10	4000	4000	4000	4000	4000	3000	3000	2000	1800
		2	15~50	-	4500	-	4500	4000	3000	3000	2500	2500
		2	60~100	-	4500	-	4500	4000	3000	3000	3000	2500
η1BMax input speed	rmp	1	3~10	8000	8000	8000	8000	6000	5000	4500	3000	3000
		2	15~50	-	8000	-	8000	6500	6000	5000	4000	4000
		2	60~100	-	8000	-	8000	7000	6500	6000	4000	4000
P0 Ultraprecise backlash	arcmin	1	3~10	-	-	≤1	≤1	≤1	≤1	≤1	≤1	≤1
P0 Ultraprecise backlash	arcmin	2	15~100	-	-	-	-	≤3	≤3	≤3	≤3	≤3
P1 Precise backlash	arcmin	1	3~10	≤3	≤3	≤3	≤3	≤3	≤3	≤3	≤3	≤3
P1 Precise backlash	arcmin	2	15~100	-	≤5	-	≤5	≤5	≤5	≤5	≤5	≤5
P2 Standard backlash	arcmin	1	3~10	≤5	≤5	-	≤5	≤5	≤5	≤5	≤5	≤5
P2 Standard backlash	arcmin	2	15~100	-	≤7	-	≤7	≤7	≤7	≤7	≤7	≤7
Orsional rigidity	Nm/arcmin	1，2	3~100	4.5	8	10	14	31	57	182	400	580

▲ When the output speed is 100 rpm,force applied to the center of the output shaft.

Parameters		Stage	Ratio i	NFS060	NF060	NFS075	NF075	NF100	NF140	NF180	NF220	NF250
F2rB▲ Max.radial Force	N	1，2	3~100	1680	2630	3350	4800	8000	15200	20760	34000	38000
F2aB▲ Max.axial Force	N	1，2	3~100	840	1650	1625	3800	6250	12000	14500	23000	40000
Tilting moment	Nm	1，2	3~100	89	154	187	390	810	1900	2940	5550	8350
Service Life	hr	1，2	3~100	20000 (continuous operation 10000)
η Efficiency	%	1	3~10	≥97
η Efficiency	%	2	15~100	≥94
Weight	kg	1	3~10	1.1	1.3	3.7	3.7	6.9	13.7	28.0	48.0	110.6
Weight	kg	2	15~100	–	1.9	–	4.1	8.1	16.6	33.0	60.0	138.3
Operating Temperature	℃	1，2	3~100	–10~90
Lubrication		1，2	3~100	Synthetic lubricant
Protection Class		1，2	3~100	IP65
Mounting Position		1，2	3~100	Any direction
Noise Level (N1=3000rpm,Non-Loaded)	dB(A)	1	3~10	≤56	≤58	≤60	≤60	≤63	≤65	≤67	≤70	≤72
Noise Level (N1=3000rpm,Non-Loaded)	dB(A)	2	15~100	-	≤60	-	≤60	≤63	≤65	≤67	≤70	≤72
Rotary inertia	Kg.cm2	1	3	0.13	0.16	-	0.61	3.25	9.21	28.98	69.61	343.49
			4	0.13	0.14	0.46	0.48	2.74	7.54	23.67	54.37	283.94
			5	0.13	0.13	0.46	0.47	2.71	7.42	23.29	53.27	264.41
			6	-	-	0.45	0.45	2.65	7.25	22.75	51.72	257.26
			7	0.12	0.13	0.45	0.45	2.62	7.14	22.48	50.97	250.11
			8	0.12	0.13	-	0.44	2.58	7.07	22.59	50.84	245.35
			10	0.12	0.13	-	0.44	2.57	7.03	22.51	50.56	241.30
		2	15	-	0.13	-	0.47	0.47	2.71	7.42	28.98	69.61
			16	-	0.13	-	0.47	0.47	2.71	7.42	28.98	-
			20	-	0.13	-	0.47	0.47	2.71	7.42	28.98	69.61
			25	-	0.13	-	0.47	0.47	2.71	7.42	28.98	69.61
			30	-	-	-	0.47	0.47	2.71	7.42	28.98	69.61
			35	-	0.13	-	0.47	0.47	2.71	7.42	28.98	69.61
			40	-	0.13	-	0.47	0.47	2.71	7.42	28.98	69.61
			45	-	-	-	-	-	2.71	-	-	-
			50	-	0.13	-	0.44	0.44	2.57	7.03	28.98	69.61
			60	-	-	-	0.44	0.44	2.57	7.03	22.51	50.56
			70	-	0.13	-	0.44	0.44	2.57	7.03	22.51	50.56
			80	-	0.13	-	0.44	0.44	2.57	7.03	-	-
			100	-	0.13	-	0.44	0.44	2.57	7.03	22.51	50.56