N40-N50 Neodymium Arc Magnets for DC Motor Permanent Rare Earth Magnets
Key Attributes
Product Summary
Professional Neodymium Arc Magnets for Electric Motor Rotors Custom NdFeB Arc Magnets with High Magnetic Performance for Starter Motors Engineered high-grade neodymium arc magnets featuring precise dimensional tolerance and uniform magnetic flux distribution, designed for reliable performance in DC ...
Product Details
n50 strong neodymium magnets
,AlNiCo strong neodymium magnets
,N40 dc motor permanent magnet
Professional Neodymium Arc Magnets for Electric Motor Rotors
Product Overview
Applications
Automotive & Starter Motor Applications
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- Starter motor permanent magnet assemblies
- DC electric motor rotors
- Alternator and generator components
- Automotive auxiliary motor systems
- Motor drive and pump applications
Industrial & Commercial Applications
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- Permanent magnet DC motors
- Industrial motor drives
- Compressor and pump motors
- Sensor and instrumentation components
- Custom motor and electronic equipment
Key Advantages
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- High magnetic performance: Exceptional magnetic strength and energy product for compact, high-torque motor designs.
- Precision manufacturing: Custom sizes with tight dimensional tolerances down to ±0.05mm for perfect fit in rotor assemblies.
- Customizable specifications: Available in multiple grades (N40-N50), dimensions, and magnetization directions to match specific motor requirements.
- Reliable durability: Protective coatings provide corrosion resistance, ensuring long-term performance in various operating environments.
- Uniform flux distribution: Arc-shaped design delivers even magnetic field distribution, enhancing motor efficiency and reducing vibration.
- Cost-effective integration: Standard and custom configurations available, supporting both prototyping and high-volume production needs.
- Compliant quality: RoHS certified materials meet international environmental standards for global market use.
- Versatile application: Suitable for a wide range of starter motors, DC motors, and industrial equipment requiring strong permanent magnets.
Magnetic Performance
| Item | Grade | Remanence; | Coercivity; | Coercivity Force; | Max BH Product; | Working | ||||||||
| Br | HcB | HcJ | (BH)max | Temp. | ||||||||||
| KGs | T | KOe | KA/m | KOe | KA/m | MGOe | KJ/m | °C | ||||||
| Max. | Min. | Max. | Min. | Max | Min. | Max. | Min. | |||||||
| N | N40 | 13.2 | 12.6 | 1.32 | 1.26 | ≥10.5 | ≥836 | >=12 | >=954 | 42 | 38 | 334 | 289 | ≤80 |
| N42 | 13.5 | 12.9 | 1.35 | 1.3 | ≥10.5 | ≥836 | >=12 | >=954 | 44 | 40 | 350 | 318 | ≤80 | |
| N45 | 13.8 | 13.2 | 1.38 | 1.32 | ≥10.5 | ≥836 | >=12 | >=954 | 46 | 42 | 366 | 334 | ≤80 | |
| N48 | 14.2 | 13.7 | 1.43 | 1.37 | ≥10.5 | ≥836 | >=11 | >=876 | 49 | 45 | 390 | 358 | ≤80 | |
| N50 | 14.5 | 14.0 | 1.45 | 1.4 | ≥10.5 | ≥836 | >=11 | >=876 | 51 | 47 | 406 | 374 | <=80 | |
| N52 | 14.8 | 14.4 | 1.48 | 1.44 | ≥10.5 | >=836 | >=11 | >=876 | 53 | 49 | 422 | 390 | <=80 | |
| N55 | 1.52 | 14.6 | 1.52 | 1.46 | ≥9.0 | >=716 | ≥11.0 | >=876 | 56 | 52 | 446 | 414 | <=80 | |
| M | N38M | 12.8 | 12.3 | 1.3 | 1.23 | ≥11.6 | >=915 | >=14 | >=1114 | 40 | 36 | 318 | 287 | <=100 |
| N40M | 13.2 | 12.6 | 1.32 | 1.26 | ≥11.8 | >=939 | >=14 | >=1114 | 42 | 38 | 334 | 289 | <=100 | |
| N42M | 13.5 | 12.9 | 1.35 | 1.3 | ≥12.0 | >=955 | >=14 | >=1114 | 44 | 40 | 350 | 318 | <=100 | |
| N45M | 13.8 | 13.2 | 1.38 | 1.32 | ≥12.5 | >=994 | >=14 | >=1114 | 46 | 42 | 366 | 334 | <=100 | |
| N48M | 14.2 | 13.7 | 1.42 | 1.37 | ≥12.8 | >=1018 | >=14 | >=1114 | 49 | 45 | 390 | 358 | <=100 | |
| N50M | 14.5 | 14 | 1.45 | 1.4 | ≥13.0 | >=1042 | >=14 | >=1114 | 51 | 47 | 406 | 374 | <=100 | |
| N52M | 14.8 | 14.2 | 1.48 | 1.42 | ≥13.0 | >=1035 | >=14 | >=1114 | 53 | 48.5 | 422 | 386 | <=100 | |
| H | N35H | 12.5 | 11.8 | 1.25 | 1.18 | ≥11.0 | >=875 | >=17 | >=1353 | 37 | 33 | 295 | 263 | <=120 |
| N38H | 12.8 | 12.3 | 1.3 | 1.23 | ≥11.6 | >=915 | >=17 | >=1353 | 40 | 36 | 318 | 287 | <=120 | |
| N41H | 13.2 | 12.6 | 1.32 | 1.26 | ≥11.8 | >=939 | >=17 | >=1274 | 42 | 38 | 334 | 302 | <=120 | |
| N44H | 13.7 | 13 | 1.37 | 1.3 | ≥12.1 | >=963 | >=16 | >=1274 | 45 | 41 | 358 | 326 | <=120 | |
| N46H | 13.8 | 13.2 | 1.38 | 1.32 | ≥12.2 | >=971 | >=16 | >=1274 | 47 | 43 | 374 | 342 | <=120 | |
| N48H | 14.2 | 13.7 | 1.42 | 1.37 | ≥12.7 | >=1011 | >=16 | >=1274 | 49 | 45 | 390 | 358 | <=120 | |
| SH | N35SH | 12.5 | 11.8 | 1.25 | 1.18 | ≥11.0 | >=876 | >=20 | >=1592 | 37 | 33 | 295 | 263 | <=150 |
| N39SH | 13 | 12.3 | 1.3 | 1.23 | ≥11.6 | >=923 | >=20 | >=1592 | 40 | 36 | 318 | 287 | <=150 | |
| N42SH | 13.2 | 12.9 | 1.32 | 1.26 | >=11.8 | >=939 | >=20 | >=1592 | 42 | 38 | 334 | 302 | <=150 | |
| N44SH | 13.7 | 13 | 1.37 | 1.3 | >=12.1 | >=963 | >=20 | >=1592 | 45 | 41 | 358 | 326 | <=150 | |
| N46SH | 13.8 | 13.4 | 1.38 | 1.34 | >=12.5 | >=965 | >=20 | >=1592 | 47 | 43 | 374 | 342 | <=150 | |
| UH | N33UH | 12.2 | 11.4 | 1.22 | 1.14 | >=10.7 | >=851 | >=25 | >=1990 | 35 | 31 | 279 | 2247 | <=180 |
| N35UH | 12.5 | 11.8 | 1.25 | 1.18 | >=11.0 | >=875 | >=25 | >=1990 | 37 | 33 | 295 | 263 | <=180 | |
| N38UH | 13 | 12.3 | 1.3 | 1.23 | >=11.6 | >=915 | >=25 | >=1990 | 40 | 36 | 318 | 287 | <=180 | |
| N40UH | 13.2 | 12.6 | 1.32 | 1.26 | >=10.5 | >=836 | >=25 | >=1990 | 42 | 38 | 334 | 289 | <=180 | |
| EH | N30EH | 11.7 | 10.9 | 1.17 | 1.09 | >=10.2 | >=812 | >=30 | >=2388 | 32 | 28 | 255 | 223 | <=200 |
| N33EH | 12.2 | 11.4 | 1.22 | 1.14 | >=10.7 | >=851 | >=30 | >=2388 | 35 | 31 | 279 | 2247 | <=200 | |
| N35EH | 12.5 | 11.8 | 1.25 | 1.18 | >=11.0 | >=875 | >=30 | >=2388 | 37 | 33 | 295 | 263 | <=200 | |
| N38EH | 13 | 12.2 | 1.3 | 1.22 | >=11.5 | >=915 | >=30 | >=2387 | 40 | 36 | 318 | 287 | <=200 | |
| AH | N28AH | 11 | 10.4 | 1.1 | 1.04 | >=9.70 | >=772 | >=35 | >=2786 | 29 | 26 | 231 | 207 | <=220 |
| N30AH | 11.7 | 10.8 | 1.17 | 1.08 | >=10.2 | >=812 | >=35 | >=2786 | 32 | 28 | 255 | 223 | <=220 | |
| N33AH | 12.2 | 11.4 | 1.22 | 1.14 | >=10.7 | >=851 | >=35 | >=2786 | 35 | 31 | 279 | 247 | <=220 | |
| N35AH | 12.5 | 11.7 | 1.25 | 1.17 | >=11.0 | >=876 | >=35 | >=2386 | 37 | 33 | 295 | 263 | <=220 | |
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