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item | value |
Warranty | 3months-1year |
Place of Origin | China |
Jiangsu | |
Brand Name | JK stepper motor |
Model Number | JK80BLS |
Usage | BOAT, Car, Electric Bicycle, FAN, Home Appliance |
Type | BLS dc motor |
Torque | 1.0-2.5N.m |
Construction | Shunt Wound |
Commutation | Brushless |
Protect Feature | Drip-proof |
Speed(RPM) | 6000Rpm |
Continuous Current(A) | 2.8-17.4A |
Efficiency | IE 1 |
Body length | 130-195.5mm |
Stepper motor weight | 1.85-3.5kg |

Product Series | Poles No. | Rated Voltage | Rated Speed | Rated Torque | Rated Power | Motor Length |
8 | 24v | 4000rpm | 0.0625~0.25N.m | 26~105w | 41~100mm | |
4 | 36v | 4000rpm | 0.055~0.44N.m | 23~184w | 37~107mm | |
8 | 48v | 3000rpm | 0.3~1.2N.m | 94~377w | 78~120mm | |
4 | 48v | 3000rpm | 0.35~1.4N.m | 110~440w | 78~138mm | |
8 | 48v | 3000rpm | 0.35~2.1N.m | 110~660w | 71~138.5mm | |
8 | 310v | 3000rpm | 1.65~6.6N.m | 518~2073w | 83~173mm | |
10 | 310v | 3000rpm | 2.39~11.94N.m | 750~2500w | 115~190mm |
86mm BLDC MOTOR SPECIFICATION: | ||||||||||||
Model | Model | |||||||||||
Specification | Unit | JK86BLS58 | JK86BLS71 | JK86BLS84 | JK86BLS98 | JK86BLS125 | ||||||
Number Of Phase | Phase | 3 | ||||||||||
Number Of Poles | Poles | 8 | ||||||||||
Rated Voltage | VDC | 48 | ||||||||||
Rated Speed | Rpm | 3000 | ||||||||||
Rated Torque | N.m | 0.35 | 0.7 | 1.05 | 1.4 | 2.1 | ||||||
Rated Current | Amps | 3 | 6.3 | 9 | 11.5 | 18 | ||||||
Rated Power | W | 110 | 220 | 330 | 440 | 660 | ||||||
Peak Torque | N.m | 1.05 | 2.1 | 3.15 | 4.2 | 6.3 | ||||||
Peak Current | Amps | 9 | 19 | 27 | 35 | 54 | ||||||
Back E.M.F | V/Krpm | 13.7 | 13 | 13.5 | 13.7 | 13.5 | ||||||
Torque Constant | N.m/A | 0.13 | 0.12 | 0.13 | 0.13 | 0.13 | ||||||
Rotor Inertia | g.c㎡ | 400 | 800 | 1200 | 1600 | 2400 | ||||||
Body Length | mm | 71 | 84.5 | 98 | 111.5 | 138.5 | ||||||
Weight | Kg | 1.5 | 1.9 | 2.3 | 2.7 | 4 | ||||||
Suitable brushless dc motor shaft | ||||||
Motor Shaft Pinion Specifications | ||||||
Module | 1 | |||||
No. of teeth | 12 | 13 | 22 | |||
Pressure angle | 20° | |||||
Hole diameter | 10 teeth pinion | Φ7H7 | Φ8H7 | |||
Reduction ratio | 1/6.6 1/23 1/26 1/37 1/92 1/138 | 1/5.31 1/19 1/30 1/74 1/111 | 1/3.55 1/13 1/50 | |||
Gearbox Specifications: | ||||||||||||
Reduction ratio | Exact reduction ratio | Rated tolerance torque | Max momentary tolerance torque | Efficiency | L (mm) | Weight (g) | ||||||
1/3.55 1/5.31 1/6.6 | 1/3.55 1/5.31 1/6.6 | 8 N.m Max | 12N.m | 90% | 55.7±0.5 | 1100 | ||||||
1/13 1/19 1/23 | 1/12.57 1/18.82 1/23.4 | 30 N.m Max | 45N.m | 81% | 72.2±0.5 | 1500 | ||||||
1/26 1/30 1/37 | 1/26.05 1/30.08 1/37.4 | 60 N.m Max | 90N.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 N.m Max | 120N.m | 66% | 88.5±0.5 | 1880 | ||||||











42mm BLDC MOTOR SPECIFICATION: | ||||||||||
Model | ||||||||||
Specification | Unit | JK42BLS01 | JK42BLS02 | JK42BLS03 | JK42BLS04 | |||||
Number Of Phase | Phase | 3 | ||||||||
Number Of Poles | Poles | 8 | ||||||||
Rated Voltage | VDC | 24 | ||||||||
Rated Speed | Rpm | 4000 | ||||||||
Rated Torque | N.m | 0.0625 | 0.125 | 0.185 | 0.25 | |||||
Rated Current | Amps | 1.8 | 3.3 | 4.8 | 6.3 | |||||
Rated Power | W | 26 | 52.5 | 77.5 | 105 | |||||
Peak Torque | N.m | 0.19 | 0.38 | 0.56 | 0.75 | |||||
Peak Current | Amps | 5.4 | 10.6 | 15.5 | 20 | |||||
Back E.M.F | V/Krpm | 4.1 | 4.2 | 4.3 | 4.3 | |||||
Torque Constant | N.m/A | 0.039 | 0.04 | 0.041 | 0.041 | |||||
Rotor Inertia | g.c㎡ | 24 | 48 | 72 | 96 | |||||
Body Length | mm | 41 | 61 | 81 | 100 | |||||
Weight | kg | 0.3 | 0.45 | 0.65 | 0.8 | |||||
57mm BLDC MOTOR SPECIFICATION: | ||||||||||||
Model | Model | |||||||||||
Specification | Unit | JK57BLS005 | JK57BLS01 | JK57BLS02 | JK57BLS03 | JK57BLS04 | ||||||
Number Of Phase | Phase | 3 | ||||||||||
Number Of Poles | Poles | 4 | ||||||||||
Rated Voltage | VDC | 36 | ||||||||||
Rated Speed | Rpm | 4000 | ||||||||||
Rated Torque | N.m | 0.055 | 0.11 | 0.22 | 0.33 | 0.44 | ||||||
Rated Current | Amps | 1.2 | 2 | 3.6 | 5.3 | 6.8 | ||||||
Rated Power | W | 23 | 46 | 92 | 138 | 184 | ||||||
Peak Torque | N.m | 0.16 | 0.33 | 0.66 | 1 | 1.32 | ||||||
Peak Current | Amps | 3.5 | 6.8 | 11.5 | 15.5 | 20.5 | ||||||
Back E.M.F | V/Krpm | 7.8 | 7.7 | 7.4 | 7.3 | 7.1 | ||||||
Torque Constant | N.m/A | 0.074 | 0.073 | 0.07 | 0.07 | 0.068 | ||||||
Rotor Inertia | g.c㎡ | 30 | 75 | 119 | 173 | 230 | ||||||
Body Length | mm | 37 | 47 | 67 | 87 | 107 | ||||||
Weight | Kg | 0.33 | 0.44 | 0.75 | 1 | 1.25 | ||||||
60mm BLDC MOTOR SPECIFICATION: | ||||||||||
Model | ||||||||||
Specification | Unit | JK60BLS01 | JK60BLS02 | JK60BLS03 | JK60BLS04 | |||||
Number Of Phase | Phase | 3 | ||||||||
Number Of Poles | Poles | 8 | ||||||||
Rated Voltage | VDC | 48 | ||||||||
Rated Speed | Rpm | 3000 | ||||||||
Rated Torque | N.m | 0.3 | 0.6 | 0.9 | 1.2 | |||||
Rated Current | Amps | 2.8 | 5.2 | 7.5 | 9.5 | |||||
Rated Power | W | 94 | 188 | 283 | 377 | |||||
Peak Torque | N.m | 0.9 | 1.8 | 2.7 | 3.6 | |||||
Peak Current | Amps | 8.4 | 15.6 | 22.5 | 28.5 | |||||
Back E.M.F | V/Krpm | 12.1 | 12.6 | 12.4 | 13.3 | |||||
Torque Constant | N.m/A | 0.116 | 0.12 | 0.118 | 0.127 | |||||
Rotor Inertia | g.c㎡ | 0.24 | 0.48 | 0.72 | 0.96 | |||||
Body Length | mm | 78 | 99 | 120 | 141 | |||||
Weight | Kg | 0.85 | 1.25 | 1.65 | 2.05 | |||||
80mm BLDC MOTOR SPECIFICATION: | ||||||||||
Model | ||||||||||
Specification | Unit | JK80BLS01 | JK80BLS02 | JK80BLS03 | JK80BLS04 | |||||
Number Of Phase | Phase | 3 | ||||||||
Number Of Poles | Poles | 4 | ||||||||
Rated Voltage | VDC | 48 | ||||||||
Rated Speed | Rpm | 3000 | ||||||||
Rated Torque | N.m | 0.35 | 0.7 | 1.05 | 1.4 | |||||
Rated Current | Amps | 3 | 5.5 | 8 | 10.5 | |||||
Rated Power | W | 110 | 220 | 330 | 440 | |||||
Peak Torque | N.m | 1.05 | 2.1 | 3.15 | 4.2 | |||||
Peak Current | Amps | 9 | 16.5 | 24 | 31.5 | |||||
Back E.M.F | V/Krpm | 13.5 | 13.3 | 13.1 | 13 | |||||
Torque Constant | N.m/A | 0.13 | 0.127 | 0.126 | 0.124 | |||||
Rotor Inertia | g.c㎡ | 210 | 420 | 630 | 840 | |||||
Body Length | mm | 78 | 98 | 118 | 138 | |||||
Weight | Kg | 1.4 | 2 | 2.6 | 3.2 | |||||








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