Meta Title: 35M–50M NdFeB Magnet for Servo Motors | High Energy & Precision
Meta Description: 35M–50M grade neodymium-iron-boron magnets engineered for servo motors. 11.7–14.8 kG, 33–53 MGOe, ±0.05 mm accuracy, Ni-Cu-Ni or epoxy coating. Request PPAP data & instant quote.
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Product Overview
Boost servo-motor performance with 35M–50M grade neodymium-iron-boron (NdFeB) magnets—the sweet spot between energy density and thermal stability. Pressed, sintered, and 100 % inspected to ±0.05 mm tolerance, these magnets deliver low cogging torque and high dynamic response in compact, high-speed servo systems.
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Key Advantages
• Grade 35M–50M Range – Br 11.7–14.8 kG, (BH)max 33–53 MGOe.
• Servo-Motor Optimized – skew & multi-pole orientation reduce torque ripple.
• ±0.05 mm Precision – press-fit into rotor laminations, zero balance correction.
• Multi-Coat Protection – Ni-Cu-Ni, epoxy, parylene ≥ 500 h salt-spray.
• PPAP Ready – IATF 16949 plant, CPK ≥1.67, full traceability.
• 7-Day Prototypes – laser-cut tooling, global express delivery.
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Technical Specifications
| Property |
35M |
42M |
50M |
| Remanence (Br) |
11.7–12.1 kG |
12.9–13.3 kG |
14.3–14.8 kG |
| Coercivity (Hcj) |
≥ 11 kOe |
≥ 12 kOe |
≥ 12 kOe |
| Max Energy (BH)max |
33–36 MGOe |
40–43 MGOe |
50–53 MGOe |
| Max Operating Temp |
100 °C (standard) / 150 °C (SH option) |
| Dimensions |
Blocks, rings, arcs 1 mm³ – 200 mm³ |
| Tolerance |
±0.05 mm, ±0.1° angles |
| Coatings |
Ni-Cu-Ni, Zn, black epoxy, parylene |
| Certifications |
IATF 16949, ISO 9001, RoHS, REACH |
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Servo-Motor Applications
• CNC & industrial robots – precise positioning, low cogging.
• Packaging & textile machines – high-speed, high-resolution feedback.
• Camera gimbals – compact, lightweight torque.
• AGV & AMR drives – dynamic response & energy efficiency.
