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Home / Products Centre / Brushless Dc Motor / Planetary Geared Brushless DC Motor

Planetary Geared Brushless Dc Motors

BESFOC specializes in manufacturing planetary geared BLDC motors that combine high-efficiency brushless DC motors with precision planetary gearboxes to provide high torque output, compact design, accurate speed control, and long service life.

A planetary gearbox BLDC motor is an ideal solution for applications requiring reliable motion performance, such as AGV robots, mobile robots, industrial automation equipment, medical devices, CNC machines, and intelligent manufacturing systems.

Compared with standard brushless DC motors, geared BLDC motors provide higher output torque and lower operating speed through mechanical reduction, making them suitable for heavy-load and precision motion applications.

BESFOC offers customized BLDC motors with planetary gearbox, encoder feedback, electromagnetic brake, integrated driver, and OEM mechanical modifications to meet different industrial requirements.

 

What Is a Planetary Geared BLDC Motor?

A planetary geared BLDC motor is a combination of a brushless DC motor and a planetary reduction gearbox.

The brushless DC motor provides efficient and smooth rotation, while the planetary gearbox increases torque output and reduces rotational speed.

The planetary gear structure consists of:

  • Sun gear
  • Planet gears
  • Ring gear
  • Planet carrier
 

This compact gear arrangement distributes the load across multiple gears, allowing the motor to achieve:

  • High torque density
  • High transmission efficiency
  • Low backlash
  • Compact size
  • Stable operation under heavy loads

Compared with traditional spur gear motors, planetary gearbox BLDC motors provide better performance for precision industrial applications.

geared brushless dc motor

Nema17 42BLS Series Geared Brushless DC motor with Common / High Precision Planetary Gearbox

Brushless DC motor, power: 20W ~ 110W, rated voltage: 24V, rated speed: 4000rpm, rated torque: 0.0625Nm ~ 0.25Nm
Optional parts: Gearbox, brake, encoder, integrated built-in drivers...
Model Phase Poles Rated Voltage Rated Speed Rated Torque Rated Current Rated Power Body Length Rotor Inertia Driver Weight
Phase Poles Vdc Rpm Nm A W mm g.cm2 / Kg
BF42BLS01 3 8 24 4000 0.0625 1.8 26 41 24 BFBLD120 0.3
BF42BLS02 3 8 24 4000 0.125 3.3 52.5 61 48 BFBLD120 0.45
BF42BLS03 3 8 24 4000 0.185 4.8 77.5 81 72 BFBLD120 0.65
BF42BLS04 3 8 24 4000 0.25 6.3 105 100 96 BFBLD120 0.8

42JXLG200K Common Planetary Gearbox For 42BL/BLS BLDC Motor

Feature of Gearbox:

Ring Material Bearing at output Max. Radial Load（N) Max.shaft axial load(N) Radial play of shaft(mm） Axial play of shaft（mm） Backlash at no-load（°） Shaft press fit force.max（N）
metal Ball bearing 200 100 ≤0.06 ≤0.3 ≤2.5 150

Pinion Specifications ：

Module No.of teeth Pressure angle Hole diameter Reduction Ratio
0.6 11 20 ° Φ3.98 1:19 / 1:22 / 1:27 / 1:68 / 1:82 / 1:95 / 1:115
17 1:14 / 1:49 / 1:59

Gearbox Specifications ：

Reduction Ratio Exact Reduction Ratio Rated tolerance torque Max momentary tolerance torque Eifficiency L(mm) Weight(g)
1:3.71 , 1:5.18 1:3.71 , 1:5.18 2.0 N.m Max. 5.0 N.m 90％ 34.2±0.5 265
1:14, 1:19, 1:22, 1:27 1:13.76, 1:19.22, 1:22.21, 1:26.83 8.0 N.m Max. 20N.m 81％ 49.6±0.5 380
1:49, 1:59, 1:68, 1:82, 1:95, 1:115 1:48.83, 1:58.86, 1:68.28, 1:82.30, 1:95.47, 1:115.08 16.0 N.m Max. 40 N.m 73％ 62.0±0.5 475
1:181, 1:218, 1:253, 1:305, 1:354, 1:426, 1:495, 1:596 1:180.96, 1:218.12, 1:253.03, 1:304.99, 1:353.8, 1:426.46, 1:494.71, 1:596.31 20.0 N.m Max. 50 N.m 66％ 74.4±0.5 570

HPS42 Series High Precision Planetary Gearbox For 42BL/BLS BLDC Motor 

Model / BF-HPS42-L1 BF-HPS42-L2 BF-HPS42-L1SW BF-HPS42-L2SW
Gear Ratio / 4 5 7 10 16 20 25 28 30 35 40 45 50 70 4 5 7 10 16 20 25 28 30 35 40 50 70
Gear Trains / 1 2 1 2
Gearbox Length mm 60 71 75 86
Rated Torque N.m 9 9 5 5 12 12 10 10 10 10 10 10 10 10 9 9 5 5 12 12 10 10 12 10 10 10 10
Sundden Stop Torque N.m 18 18 10 10 24 24 20 20 20 20 20 20 20 20 18 18 10 10 24 24 20 20 24 20 20 20 20
Back Lash arcmin ≤15 arcmin ≤20 arcmin ≤15 arcmin ≤20 arcmin
Efficiency % 96 94 96 94
Suitable Motor Dimension mm Φ5-10 / Φ22-2 / F31-M3 Φ5-24 / Φ22-2 / F31-M3
Rated Input Speed rpm 3000
Max Input Speed rpm 6000
Average Life Span h 20000
Axial Force N 100
Radial Force N 300
Noise dB ≤55
Protection Level IP IP54
Work Temp. ℃ -20 to + 150
Out Shaft Type / Key Shaft Type

HPR42 Series High Precision Planetary Gearbox For 42BL/BLS BLDC Motor 

Model / BF-HPR42-L1 BF-HPR42-L2 BF-HPR42-L1SW BF-HPR42-L2SW
Gear Ratio / 3 4 5 7 10 15 16 20 25 28 30 35 40 45 50 70 3 4 5 7 10 15 16 20 25 28 30 35 40 50 70
Gear Trains / 1 2 1 2
Gearbox Length mm 61.5 72.5 76.5 87.5
Rated Torque N.m 8 9 9 5 5 10 12 12 10 10 10 10 10 10 10 10 8 9 9 5 5 10 12 12 10 10 12 10 10 10 10
Sundden Stop Torque N.m 16 18 18 10 10 20 24 24 20 20 20 20 20 20 20 20 16 18 18 10 10 20 24 24 20 20 24 20 20 20 20
Back Lash arcmin ≤15 arcmin ≤20 arcmin ≤15 arcmin ≤20 arcmin
Efficiency % 96 94 96 94
Suitable Motor Dimension mm Φ5-10 / Φ22-2 / F31-M3 Φ5-24 / Φ22-2 / F31-M3
Rated Input Speed rpm 3000
Max Input Speed rpm 6000
Average Life Span h 20000
Axial Force N 100
Radial Force N 300
Noise dB ≤55
Protection Level IP IP54
Work Temp. ℃ -20 to + 150
Out Shaft Type / Key Shaft Type
planetary gearbox bldc motor

Nema23 57BLS Series Geared Brushless DC motor with Common / High Precision Planetary Gearbox

Brushless DC motor, power: 20W ~ 190W, rated voltage: 36V, rated speed: 4000rpm, rated torque: 0.055Nm ~ 0.44Nm
Optional parts: gearbox, brake, encoder, fan, integrated built-in drivers...
Brushless DC motor, power: 20W ~ 190W, rated voltage: 36V, rated speed: 4000rpm, rated torque: 0.055Nm ~ 0.44Nm
Optional parts: gearbox, brake, encoder, fan, integrated built-in drivers...
Model Phase Poles Rated Voltage Rated Speed Rated Torque Rated Current Rated Power Body Length Rotor Inertia Driver Weight
Phase Poles Vdc Rpm Nm A W mm g.cm2 / Kg
BF57BLS005 3 8 36 4000 0.055 1.2 23 37 30 BFBLD300 0.33
BF57BLS01 3 8 36 4000 0.11 2.0 46 47 75 BFBLD300 0.44
BF57BLS02 3 8 36 4000 0.22 3.6 92 67 119 BFBLD300 0.75
BF57BLS03 3 8 36 4000 0.33 5.3 138 87 173 BFBLD300 1.0
BF57BLS04 3 8 36 4000 0.44 6.8 184 107 230 BFBLD300 1.25

56JXE300K Common Planetary Gearbox For 57BLS/BLF BLDC Motor

Feature of Gearbox:

Ring Material Bearing at output Max. Radial Load（N) Max.shaft axial load(N) Radial play of shaft(mm） Axial play of shaft（mm） Backlash at no-load（°） Shaft press fit force.max（N）
metal Ball bearing 300 200 ≤0.08 ≤0.4 ≤2.5 300

Pinion Specifications ：

Module No.of teeth Pressure angle Hole diameter Reduction Ratio
1 12 20 ° Φ6H7 1:4.25 / 1:15 / 1:18 / 1:52 / 1:61 / 1:72 / 1:96 / 1:121 / 1:220 / 1:260 / 1:307
15 1:3.6 / 1:13 / 1:43 / 1:154 / 1:187
9 1:5.33 / 1:28

Gearbox Specifications ：

Reduction Ratio Exact Reduction Ratio Rated tolerance torque Max momentary tolerance torque Eifficiency L(mm) Weight(g)
1:3.6 , 1:4.25 , 1/5.33 1:3.6 , 1:4.25 , 1:5.33 3.0 N.m Max. 9.0 N.m 90％ 37.8±0.5 489
1:13, 1:15, 1:18, 1:23, 1:28 1:12.96, 1:15.30, 1:18.06, 1:22.67, 1:28.44 12.0 N.m Max. 36 N.m 81％ 49.5±0.5 681
1:43, 1:52, 1:61, 1:72, 1:96, 1:121 1:42.69, 1:51.84, 1:61.20, 1:72.25, 1:96.33, 1:120.89 24.0 N.m Max. 72 N.m 73％ 60.8±0.5 871
1:154, 1:187, 1:220, 1:260, 1:307 1:153.69, 1:186.62, 1:220.32, 1:260.10, 1:307.06 30.0 N.m Max. 90 N.m 66％ 71.9±0.5 1066

56JXE450K Common Planetary Gearbox For 57BLS/BLF BLDC Motor

Feature of Gearbox:

Ring Material Bearing at output Max. Radial Load（N) Max.shaft axial load(N) Radial play of shaft(mm） Axial play of shaft（mm） Backlash at no-load（°） Shaft press fit force.max（N）
metal Ball bearing 400 120 ≤0.08 ≤0.4 ≤2.5 300

Pinion Specifications ：

Module No.of teeth Pressure angle Hole diameter Reduction Ratio
1 12 20 ° Φ6H7 1:4.25 / 1:15 / 1:18 / 1:52 / 1:61 / 1:72 / 1:96 / 1:121 / 1:220 / 1:260 / 1:307
15 1:3.6 / 1:13 / 1:43 / 1:154 / 1:187
9 1:5.33 / 1:28

Gearbox Specifications ：

Reduction Ratio Exact Reduction Ratio Rated tolerance torque Max momentary tolerance torque Eifficiency L(mm) Weight(g)
1:3.6 , 1:4.25 , 1/5.33 1:3.6 , 1:4.25 , 1:5.33 3.0 N.m Max. 9.0 N.m 90％ 37.8±0.5 489
1:13, 1:15, 1:18, 1:23, 1:28 1:12.96, 1:15.30, 1:18.06, 1:22.67, 1:28.44 12.0 N.m Max. 36 N.m 81％ 49.5±0.5 681
1:43, 1:52, 1:61, 1:72, 1:96, 1:121 1:42.69, 1:51.84, 1:61.20, 1:72.25, 1:96.33, 1:120.89 24.0 N.m Max. 72 N.m 73％ 60.8±0.5 871
1:154, 1:187, 1:220, 1:260, 1:307 1:153.69, 1:186.62, 1:220.32, 1:260.10, 1:307.06 30.0 N.m Max. 90 N.m 66％ 71.9±0.5 1066
bldc motor with gearbox

 Nema23 57BLF Series Geared Brushless DC motor with High Precision Planetary Gearbox

Brushless DC motor, power: 20W ~ 190W, rated voltage: 36V, rated speed: 4000rpm, rated torque: 0.055Nm ~ 0.44Nm
Optional parts: gearbox, brake, encoder, fan, integrated built-in drivers...
Model Phase Poles Rated Voltage Rated Speed Rated Torque Rated Current Rated Power Body Length Rotor Inertia Driver Weight
Phase Poles Vdc Rpm Nm A W mm g.cm2 / Kg
BF57BLF005 3 8 36 4000 0.055 1.2 23 37 30 BFBLD300 0.33
BF57BLF01 3 8 36 4000 0.11 2.0 46 47 75 BFBLD300 0.44
BF57BLF02 3 8 36 4000 0.22 3.6 92 67 119 BFBLD300 0.75
BF57BLF03 3 8 36 4000 0.33 5.3 138 87 173 BFBLD300 1.0
BF57BLF04 3 8 36 4000 0.44 6.8 184 107 230 BFBLD300 1.25

PLF60 Series High Precision Planetary Gearbox For 57BLS / 60BLS BLDC Motor

Model / l Stage ll Stage lll Stage
Gear Ratio / 3，4，5，7，10 12,15,16,20,25,28,35,40,50,70,100 64,80,100,120,125,140,175,200,250,280,350,400,500,700,1000
A B A B A B
Gearbox Length mm 42 110 59 127 76 144
Rated Input Speed rpm 4000 4000 4000
Max Input Speed rpm 8000 8000 8000
Maximum radial force N 320 320 320
Maximum axial force N 280 280 280
No-load torque Nm ≈0.6 ≈0.3 ≈0.3
Efficiency ％ 96 94 90
Backlash arcmin ≤10 ≤15 ≤18
Noise dB ≤58 ≤58 ≤58
Weight Kg 1.1 1.3 1.5
Working Lifetime h ＞20000（Continuous operating life halved）
Max Input Speed rpm 2.3
Lubrication Method / Long-term
Rotation Direction / Input/Output Syntropy
Protection Level IP IP65
Mounting Position / Arbitrarily
Ratio 3 4 5 7 10 12 15 16 20 25 28 35 40 50 70 100
Rated output torque 15 30 27 20 9 15 15 35 35 30 35 30 35 30 22 10
Max output torque 30 60 54 40 18 30 30 70 70 60 70 60 70 60 44 20
Rotor Inertia 0.13 0.093 0.078 0.072 0.064 0.135 0.13 0.088 0.075 0.075 0.07 0.064 0.076 0.064 0.075 0.076
Ratio 64 80 100 120 125 140 175 200 250 280 350 400 500 700 1000 /
Rated output torque 15 30 27 20 9 15 15 35 35 30 35 30 35 30 22 /
Max output torque 30 60 54 40 18 30 30 70 70 60 70 60 70 60 44 /
Rotor Inertia 0.13 0.093 0.078 0.072 0.064 0.135 0.13 0.088 0.075 0.075 0.07 0.064 0.076 0.064 0.075 /
48v geared bldc motor

Nema24 60BLS Series Geared Brushless DC motor with High Precision Planetary Gearbox

Brushless DC motor, power: 94W~377W, rated voltage: 48V, rated speed: 3000rpm, rated torque: 0.3Nm ~ 1.2Nm
Optional parts: gearbox, brake, encoder, fan, integrated built-in drivers...
Model Phase Poles Rated Voltage Rated Speed Rated Torque Rated Current Rated Power Body Length Rotor Inertia Driver Weight
Phase Poles Vdc Rpm Nm A W mm kg.cm2 / Kg
BF60BLS01 3 8 48 3000 0.3 2.8 94 78 0.24 BFBLD300 0.85
BF60BLS02 3 8 48 3000 0.6 5.2 188 99 0.48 BFBLD300 1.25
BF60BLS03 3 8 48 3000 0.9 7.5 283 120 0.72 BFBLD750 1.65
BF60BLS04 3 8 48 3000 1.2 9.5 377 141 0.96 BFBLD750 2.05

PLF60 Series High Precision Planetary Gearbox For 57BLS / 60BLS BLDC Motor

Model / l Stage ll Stage lll Stage
Gear Ratio / 3，4，5，7，10 12,15,16,20,25,28,35,40,50,70,100 64,80,100,120,125,140,175,200,250,280,350,400,500,700,1000
A B A B A B
Gearbox Length mm 42 110 59 127 76 144
Rated Input Speed rpm 4000 4000 4000
Max Input Speed rpm 8000 8000 8000
Maximum radial force N 320 320 320
Maximum axial force N 280 280 280
No-load torque Nm ≈0.6 ≈0.3 ≈0.3
Efficiency ％ 96 94 90
Backlash arcmin ≤10 ≤15 ≤18
Noise dB ≤58 ≤58 ≤58
Weight Kg 1.1 1.3 1.5
Working Lifetime h ＞20000（Continuous operating life halved）
Max Input Speed rpm 2.3
Lubrication Method / Long-term
Rotation Direction / Input/Output Syntropy
Protection Level IP IP65
Mounting Position / Arbitrarily
Ratio 3 4 5 7 10 12 15 16 20 25 28 35 40 50 70 100
Rated output torque 15 30 27 20 9 15 15 35 35 30 35 30 35 30 22 10
Max output torque 30 60 54 40 18 30 30 70 70 60 70 60 70 60 44 20
Rotor Inertia 0.13 0.093 0.078 0.072 0.064 0.135 0.13 0.088 0.075 0.075 0.07 0.064 0.076 0.064 0.075 0.076
Ratio 64 80 100 120 125 140 175 200 250 280 350 400 500 700 1000 /
Rated output torque 15 30 27 20 9 15 15 35 35 30 35 30 35 30 22 /
Max output torque 30 60 54 40 18 30 30 70 70 60 70 60 70 60 44 /
Rotor Inertia 0.13 0.093 0.078 0.072 0.064 0.135 0.13 0.088 0.075 0.075 0.07 0.064 0.076 0.064 0.075 /
brushless dc motor with gearbox

 80BLS Series Geared Brushless DC motor with High Precision Planetary Gearbox

Brushless DC motor, power: 110W~440W, rated voltage: 48V, rated speed: 3000rpm, rated torque: 0.35Nm ~ 1.4Nm
Optional parts: gearbox, brake, encoder, fan, integrated built-in drivers...
Model Phase Poles Rated Voltage Rated Speed Rated Torque Rated Current Rated Power Body Length Rotor Inertia Driver Weight
Phase Poles Vdc Rpm Nm A W mm kg.cm2 / Kg
BF80BLS01 3 8 48 3000 0.35 3 110 78 0.21 BFBLD750 1.4
BF80BLS02 3 8 48 3000 0.7 5.5 220 98 0.42 BFBLD750 2
BF80BLS03 3 8 48 3000 1.05 8 330 118 0.63 BFBLD750 2.6
BF80BLS04 3 8 48 3000 1.4 10.5 40 138 0.84 BFBLD750 3.2

80PMB800K Common Planetary Gearbox For 80BLS BLDC Motor

Feature of Gearbox:

Ring Material Bearing at output Max. Radial Load（N) Max.shaft axial load(N) Radial play of shaft(mm） Axial play of shaft（mm） Backlash at no-load（°） Shaft press fit force.max（N）
metal Ball bearing 600 200 ≤0.08 ≤0.4 ≤2.5 1000

Pinion Specifications ：

Module No.of teeth Pressure angle Hole diameter Reduction Ratio
1 12 20 ° 10 teeth pinion 1:6.6 / 1:23/ 1:26 / 1:37 / 1:92 / 1:138 
13 Φ7H7 1:5.31 / 1:19/ 1:30 / 1:74 / 1:111
22 Φ8H7 1:3.55 / 1:13 / 1:50

Gearbox Specifications ：

Reduction Ratio Exact Reduction Ratio Rated tolerance torque Max momentary tolerance torque Eifficiency L(mm) Weight(g)
1:3.55 , 1:5.31 , 1/6.6 1:3.55 , 1:5.31 , 1:6.6 8.0 N.m Max. 12.0 N.m 90％ 55.7±0.5 1100
1:13, 1:19, 1:23 1:12.57, 1:18.82, 1:23.4 30.0 N.m Max. 45 N.m 81％ 72.2±0.5 1500
1:26, 1:30, 1:37 1:26.05, 1:30.08, 1:37.4 60.0 N.m Max. 90 N.m 73％ 72.2±0.5 1500
1:50, 1:74, 1:92, 1:111, 1:138 1:49.62, 1:74.28, 1:92.37, 1:111.2, 1:138.28 80.0 N.m Max. 120 N.m 66％ 88.5±0.5 1880

PLF80 High Precision Planetary Gearbox For 80BLS BLDC Motor

Model / l Stage ll Stage
Gear Ratio / 3，4，5，7，10 12,15,16,20,25,28,35,40,50,70,100
A A
Gearbox Length mm 141.5 166.5
Rated Input Speed rpm 3500 3500
Max Input Speed rpm 6000 6000
Maximum radial force N 550 550
Maximum axial force N 500 500
No-load torque Nm ≈0.8 ≈0.4
Efficiency ％ 96 94
Backlash arcmin ≤10 ≤15
Noise dB ≤62 ≤62
Weight Kg 3.0 3.6
Working Lifetime h ＞20000（Continuous operating life halved）
Max Input Speed rpm 7.5
Lubrication Method / Long-term
Rotation Direction / Input/Output Syntropy
Protection Level IP IP65
Mounting Position / Arbitrarily
Ratio 3 4 5 7 10 12 15 16 20 25 28 35 40 50 70 100
Rated output torque 55 90 95 64 40 60 60 95 95 100 95 100 95 100 70 45
Max output torque 110 180 190 128 80 120 120 190 190 200 190 200 190 200 140 90
Rotor Inertia 0.77 0.52 0.45 0.40 0.39 0.67 0.67 0.50 0.44 0.44 0.39 0.44 0.39 0.42 0.44 0.44
geared bldc motor manufacturer

Nema 34 86BLS Series Geared Brushless DC motor with High Precision Planetary Gearbox

Brushless DC motor, power: 110W~660W, rated voltage: 48V, rated speed: 3000rpm, rated torque: 0.35Nm ~ 2.1Nm
Optional parts: gearbox, brake, encoder, fan, integrated built-in drivers...
model Phase Poles Rated Voltage Rated Speed Rated Torque Rated Current Rated Power Body Length Rotor Inertia Driver Weight
Phase Poles Vdc Rpm Nm A W mm kg.cm2 / Kg
BF86BLS58-X002 3 8 48 3000 0.35 3 110 71 0.4 BFBLD750 1.5
BF86BLS71-X001 3 8 48 3000 0.7 6.3 220 84.5 0.8 BFBLD750 1.9
BF86BLS84 3 8 48 3000 1.05 9 330 98 1.2 BFBLD750 2.3
BF86BLS98-X015 3 8 48 3000 1.56 11.5 440 111.5 1.6 BFBLD750 2.7
BF86BLS125-X015 3 8 48 3000 2.1 18 660 138.5 2.4 BFBLD750 4

PLF80 High Precision Planetary Gearbox For 80BLS BLDC Motor

Model / l Stage ll Stage
Gear Ratio / 3，4，5，7，10 12,15,16,20,25,28,35,40,50,70,100
A A
Gearbox Length mm 141.5 166.5
Rated Input Speed rpm 3500 3500
Max Input Speed rpm 6000 6000
Maximum radial force N 550 550
Maximum axial force N 500 500
No-load torque Nm ≈0.8 ≈0.4
Efficiency ％ 96 94
Backlash arcmin ≤10 ≤15
Noise dB ≤62 ≤62
Weight Kg 3.0 3.6
Working Lifetime h ＞20000（Continuous operating life halved）
Max Input Speed rpm 7.5
Lubrication Method / Long-term
Rotation Direction / Input/Output Syntropy
Protection Level IP IP65
Mounting Position / Arbitrarily
Ratio 3 4 5 7 10 12 15 16 20 25 28 35 40 50 70 100
Rated output torque 55 90 95 64 40 60 60 95 95 100 95 100 95 100 70 45
Max output torque 110 180 190 128 80 120 120 190 190 200 190 200 190 200 140 90
Rotor Inertia 0.77 0.52 0.45 0.40 0.39 0.67 0.67 0.50 0.44 0.44 0.39 0.44 0.39 0.42 0.44 0.44
geared brushless dc motor supplier

Nema 42 110BLS Series Geared Brushless DC motor with High Precision Planetary Gearbox

Brushless DC motor, power: 518W~2073W, rated voltage: 310V, rated speed: 3000rpm, rated torque: 1.65Nm ~ 6.6Nm
Optional parts: gearbox, brake, encoder, fan, integrated built-in drivers...
model Phase Poles Rated Voltage Rated Speed Rated Torque Rated Current Rated Power Body Length Driver Weight
Phase Poles Vdc Rpm Nm A KW mm / Kg
BF110BLS50 3 8 310 3000 2.38 2.7 0.75 134 BFBLD1100 3.3
BF110BLS75 3 8 310 3000 3.3 3.7 1.03 159 BFBLD2200 4.5
BF110BLS100 3 8 310 3000 5 5.6 1.57 184 BFBLD2200 5.8
BF110BLS125 3 8 310 3000 6.6 7.5 2.07 209 BFBLD2200 7.0

PLF120 Series High Precision Planetary Gearbox For 110BLS BLDC Motor

Model / l Stage ll Stage lll Stage
Gear Ratio / 3，4，5，7，10 12,15,16,20,25,28,35,40,50,70,100 64,80,100,120,125,140,175,200,250,280,350,400,500,700,1000
A B A B A B
Gearbox Length mm 86 212 118 244 150 276
Rated Input Speed rpm 3500 3500 3500
Max Input Speed rpm 6000 6000 6000
Maximum radial force N 1600 1600 1600
Maximum axial force N 1350 1350 1350
No-load torque Nm ≈1.3 ≈0.6 ≈0.6
Efficiency ％ 96 94 90
Backlash arcmin ≤10 ≤15 ≤18
Noise dB ≤65 ≤65 ≤65
Weight Kg 8.0 9.0 10.0
Working Lifetime h ＞20000（Continuous operating life halved）
Max Input Speed rpm 15
Lubrication Method / Long-term
Rotation Direction / Input/Output Syntropy
Protection Level IP IP65
Mounting Position / Arbitrarily

Why Choose BESFOC Planetary Gearbox BLDC Motors?

1. High Torque Output in Compact Design

One of the biggest advantages of a planetary geared BLDC motor is its excellent torque-to-size ratio.

The planetary gearbox increases output torque while maintaining a compact motor structure, making it suitable for equipment where installation space is limited.

Typical applications include:

  • AGV drive wheels
  • Autonomous mobile robots
  • Robotic arms
  • Automated guided vehicles
  • Medical automation equipment
 

2. High Efficiency Brushless Motor Technology

Unlike brushed DC motors, BLDC motors use electronic commutation instead of carbon brushes.

Benefits include:

  • No brush replacement
  • Longer operating life
  • Lower maintenance requirements
  • Higher energy efficiency
  • Reduced electrical noise

This makes planetary geared BLDC motors ideal for continuous industrial operation.

 

3. Precision Speed Reduction and Control

The planetary gearbox allows engineers to select suitable gear ratios according to application requirements.

Available options include:

  • Low-speed high-torque operation
  • High-speed precision control
  • Closed-loop speed control
  • Position feedback control

With encoder feedback, the motor can achieve accurate speed regulation and improved motion performance.

 

Key Features of Planetary Geared BLDC Motors

Feature Description
Motor Type Brushless DC Motor with Planetary Gearbox
Gearbox Type Precision Planetary Reduction Gearbox
Voltage Options 12V / 24V / 36V / 48V / Custom
Power Range 15W - 3000W
Speed Range Customized according to gearbox ratio
Torque Range Customized high torque output
Encoder Options Incremental Encoder / Absolute Encoder
Brake Options Electromagnetic Brake
Control Methods Hall Sensor / Encoder / Driver Control
Protection IP Rating Customized

 

 

Performance Advantages of Planetary Geared BLDC Motors

1. High Torque Output and High Torque Density

One of the key advantages of a planetary geared BLDC motor is its ability to deliver significantly higher output torque within a compact size.

The planetary gearbox uses multiple planet gears to distribute the load, allowing the motor to achieve a higher reduction ratio and greater torque multiplication compared with direct-drive BLDC motors.

Benefits include:

  • Higher starting torque
  • Stronger load-driving capability
  • Smaller motor size for the same output torque
  • Improved system efficiency

This makes planetary geared BLDC motors ideal for equipment requiring powerful yet compact motion solutions.

 

2. Compact and Space-Saving Design

The coaxial structure of the planetary gearbox allows the motor and gearbox to be integrated into a single compact unit.

Compared with traditional motor + gearbox combinations, a BLDC motor with planetary gearbox provides:

  • Smaller installation footprint
  • Reduced mechanical complexity
  • Easier system integration
  • Lower overall equipment weight

This compact design is especially valuable for mobile robots, automation equipment, and space-limited machinery.

 

3. High Transmission Efficiency

Planetary gear systems provide excellent power transmission efficiency because the load is shared among multiple gears.

Advantages include:

  • Reduced energy loss
  • Lower heat generation
  • Improved motor performance
  • Better energy utilization

Combined with brushless DC technology, planetary geared BLDC motors provide an efficient solution for continuous industrial operation.

 

4. Precise Speed Control and Motion Accuracy

A planetary geared BLDC motor can be equipped with encoders and advanced motor drivers to achieve closed-loop control.

Available control options include:

  • Hall sensor feedback
  • Incremental encoder feedback
  • Absolute encoder feedback
  • Closed-loop speed control
  • Position control systems

This enables accurate and stable motion performance for applications requiring precision and repeatability.

 

5. Low Noise and Smooth Operation

The precision planetary gearbox structure provides balanced load distribution and smooth gear engagement, reducing vibration and mechanical noise.

Combined with brushless motor technology, these motors offer:

  • Quiet operation
  • Smooth acceleration and deceleration
  • Reduced vibration
  • Improved user experience

This makes them suitable for medical devices, laboratory automation, and service robots.

 

6. Long Service Life and Low Maintenance

Unlike brushed DC motors, BLDC motors use electronic commutation instead of mechanical brushes.

Advantages include:

  • No brush replacement
  • Reduced mechanical wear
  • Longer operating life
  • Lower maintenance costs

The durable planetary gearbox design further improves reliability under demanding working conditions.

 

7. High Load Capacity and Reliability

The planetary gearbox structure allows multiple gears to share the applied load, improving mechanical strength and durability.

Key advantages:

  • Higher radial load capability
  • Better shock resistance
  • Stable operation under heavy loads
  • Reliable performance in industrial environments

This makes planetary geared BLDC motors suitable for applications requiring frequent starts, stops, and reversing operations.

 

8. Flexible Gear Ratio Options

Planetary geared BLDC motors are available with different reduction ratios to meet various application requirements.

Higher reduction ratios provide:

  • Higher output torque
  • Lower operating speed
  • Better load control

Lower reduction ratios provide:

  • Higher output speed
  • Faster response

This flexibility allows engineers to select the optimal motor solution for different machines and systems.

 

Applications of Planetary Geared BLDC Motors

1. AGV and AMR Mobile Robots

Planetary geared BLDC motors are widely used in automated guided vehicles (AGVs) and autonomous mobile robots (AMRs) because they provide high torque, compact size, and precise speed control.

Typical applications include:

  • Drive wheel systems
  • Warehouse robots
  • Logistics robots
  • Transportation robots
  • Inspection robots

Advantages for AGV/AMR systems:

  • High load capacity
  • Smooth movement
  • Accurate speed control
  • Long operating time
 

2. Industrial Automation Equipment

In modern manufacturing systems, planetary gearbox BLDC motors provide reliable motion control for automated machinery.

Common applications include:

  • Conveyor systems
  • Packaging machines
  • Assembly equipment
  • Pick-and-place systems
  • Automated production lines
  • Industrial robotic systems

Their compact design and high torque output help improve equipment efficiency and productivity.

 

3. Robotic Arms and Collaborative Robots

Robotic systems require motors with precise control, high torque, and fast response.

Planetary geared BLDC motors are suitable for:

  • Robotic joints
  • End-of-arm tooling
  • Collaborative robots
  • Service robots

With encoder feedback, these motors can provide accurate positioning and repeatable motion.

 

4. Medical Equipment

Medical equipment requires motors with low noise, high reliability, and precise movement.

Applications include:

  • Electric medical beds
  • Medical lifting systems
  • Rehabilitation equipment
  • Laboratory automation equipment
  • Surgical assistance devices

The quiet operation and long service life of geared BLDC motors make them suitable for medical environments.

 

5. CNC Machines and Precision Equipment

Planetary geared BLDC motors provide stable speed control and high torque output for precision machinery.

Applications include:

  • CNC auxiliary systems
  • Tool changers
  • Automated positioning systems
  • Inspection equipment
  • Precision motion platforms
 

6. Packaging and Printing Machinery

High-speed automation equipment requires reliable and accurate motor performance.

Planetary geared BLDC motors are used in:

  • Packaging machines
  • Labeling equipment
  • Printing machines
  • Sorting systems

Benefits include:

  • Fast response
  • Accurate speed regulation
  • Continuous operation capability
 

7. Solar Tracking Systems

Solar tracking systems require motors that can operate reliably outdoors while providing sufficient torque.

Planetary geared BLDC motors offer:

  • High torque for panel movement
  • Low power consumption
  • Long service life
  • Precise positioning control
 

Why Choose Planetary Geared BLDC Motors?

A planetary geared BLDC motor is an ideal choice when an application requires:

✔ High torque in a compact size

✔ Precise speed and position control

✔ Low noise operation

✔ Long service life

✔ High efficiency

✔ Reliable continuous operation

✔ Customized gearbox and control options

With advanced BLDC technology and precision planetary gear reduction, these motors provide a powerful and efficient motion solution for robotics, automation, transportation, and intelligent manufacturing applications.

Planetary Geared BLDC Motor Customization Options

As an experienced BLDC motor manufacturer, BESFOC provides OEM and ODM customization services.

Mechanical Customization

  • Shaft dimensions
  • Mounting flange
  • Gear ratio
  • Motor size
  • Cable direction
  • Connector type
 

Electrical Customization

  • Voltage
  • Power
  • Torque
  • Speed
  • Hall sensor
  • Encoder resolution
 

Control Customization

  • External driver
  • Integrated driver
  • Closed-loop control
  • CAN communication
  • RS485 communication

Planetary Geared BLDC Motor vs Standard BLDC Motor

Comparison Standard BLDC Motor Planetary Geared BLDC Motor
Output Torque Medium High
Speed High Reduced
Load Capability Limited Excellent
Size Efficiency Good Better
Precision Control Good Excellent
Application Fans, pumps Robotics, automation

 

 

Why Choose BESFOC as Your Planetary Geared BLDC Motor Supplier?

BESFOC provides complete motion solutions for global industrial customers.

Advantages include:

  • Professional BLDC motor manufacturing experience
  • Custom motor and gearbox design capability
  • OEM/ODM support
  • Engineering assistance
  • Multiple motor control options
  • Reliable quality management

Our goal is to provide customers with efficient, durable, and customized planetary geared BLDC motor solutions for modern automation systems.

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