48V DC 11000rpm Mini Round Spindle Motor ER11 500W Brushless DC Motor
1.Motor Specification of 500W Brushless Dc Motor:

2. Genaral Specification of 500W Brushless Dc Motor
| Item | Specification |
| Winding type | Star |
| Hall effect angle | 120 degree electrical angle |
| Shaft run out | 0.025mm |
| Radial play | 0.02mm@450g |
| End play | 0.08mm@450g |
| Max.radial force | 75N @20mm form the flange |
| Max.axial force | 15N |
| Insulation class | Class B |
| Dielectric strength | 500VDC for one minute |
| Insulation resistance | 100MΩ Min.,500VDC |
3. Electrical Specification of Spindle Motor
| Model | ||
| Specification | Unit | JK57BLS04 |
| Number Of Phase | Phase | 3 |
| Number Of Poles | Poles | 4 |
| Rated Voltage | VDC | 36 |
| Rated Speed | Rpm | 4000 |
| Rated Torque | N.m | 0.44 |
| Rated Current | Amps | 6.8 |
| Rated Power | W | 184 |
| Peak Torque | N.m | 1.32 |
| Peak Current | Amps | 20.5 |
| Back E.M.F | V/Krpm | 7.1 |
| Torque Constant | N.m/A | 0.068 |
| Rotor Inertia | g.c㎡ | 230 |
| Body Length | mm | 107 |
| Weight | Kg | 1.25 |
| Sensor | Honeywell | |
| Insulation Class | B | |
| Degree of Protection | IP30 | |
| Storage Temperature | -25~+70℃ | |
| Operating Temperature | -15~+50℃ | |
| Working Humidity | 85% or under 85% RH(non condensing) | |
| Working Environment | outdoor(no direct sunlight),Non-corrosive Gas, Non-inflammable gas, No oil fog, No dust | |
| Altitude | 1000m or under 1000m | |