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{"title":"High Temperature Resistance Sintered Neodymium Boron Magnet","imgUrl":"https:\/\/img.chinax.com\/nimg\/ac\/d2\/5600366f69d1605513cedcb0da19-200x200-1\/high_temperature_resistance_sintered_neodymium_boron_magnet.jpg","attrs":{"Brand Name":"UNMAG","Place of Origin":"China","Price":"As negotiation","Certification":"ISO9001"}}
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{"title":"High Grade N35-N52 Neodymium Iron Boron Magnets In Speakers","imgUrl":"https:\/\/img.chinax.com\/nimg\/4a\/7b\/3991160bb553cfadc2a7a3912646-200x200-1\/high_grade_n35_n52_neodymium_iron_boron_magnets_in_speakers.jpg","attrs":{"Brand Name":"UNMAG","Place of Origin":"China","Magnetic Flux Density":"High","Coating":"Nickel"}}
{"title":"N52 Highest Grade Neodymium Magnet","imgUrl":"https:\/\/img.chinax.com\/nimg\/c3\/ba\/640ad48c4371be065bb79985ffdc-200x200-1\/n52_highest_grade_neodymium_magnet.jpg","attrs":{"Brand Name":"UNMAG","Place of Origin":"China","Price":"As negotiation","Material":"Neodymium"}}
Meta Title: 35M–50M Neodymium Magnet Servo Motors | IATF 16949 Certified
Meta Description: High-energy 35M–50M sintered NdFeB magnets for servo motors. IATF 16949 certified, ±0.05 mm precision, epoxy or Ni-Cu-Ni coating, custom shapes. Same-day quote.
Product Overview
Deliver higher torque density and lower cogging in compact servo motors with our Grade 35M–50M sintered neodymium magnets. Manufactured in an IATF 16949-certified facility, each magnet meets automotive-grade PPAP, dimensional, and magnetic consistency requirements. Perfect for servo motors, linear actuators, robotic joints, and CNC spindles.
Key Benefits
• Grade Range 35M–50M – Br 11.7–14.3 kG, (BH)max 35–50 MGOe for maximum torque per volume.
• IATF 16949 Certified – full PPAP support, CPK ≥1.67 on critical dimensions.
• ±0.05 mm Tolerance – press-fit into rotors without secondary machining.
• Thermal Stability 100 °C – optimized for 80 °C continuous servo windings.
• Multi-layer Coating Options – Ni-Cu-Ni, Zn, epoxy, parylene for 500 h salt-spray resistance.
• Custom Arcs & Rings – laser-cut edges, 2–64 pole magnetization.
Technical Specifications (Schema Table)
Property
35M
42M
50M
Remanence (Br)
11.7–12.1 kG
12.9–13.3 kG
14.0–14.3 kG
Coercivity (Hcj)
≥ 11 kOe
≥ 12 kOe
≥ 12 kOe
Max Energy (BH)max
33–36 MGOe
40–43 MGOe
48–51 MGOe
Max Operating Temp
100 °C
100 °C
100 °C
Dimensions
Blocks ≤ 50 mm, Rings OD ≤ 80 mm, Arcs any angle
Tolerance
±0.05 mm, ±0.1° angles
Coatings
Ni-Cu-Ni, Zn, black epoxy, parylene
Certifications
IATF 16949, ISO 9001, RoHS, REACH
Servo Motor Applications
• Permanent-magnet servo motors – high dynamic response.
• Linear actuators & stages – precise positioning, low cogging.
• Robotic joints – compact torque-dense drives.
• CNC & machine-tool spindles – constant power over wide speed range.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2009
Total Annual:
4000000USD-5000000
Employee Number:
150~180
Ecer Certification:
Verified Supplier
XIAMEN UN MAGNET CO.,LTD. (UNMAG) is a high-tech enterprise in manufacturer and distribution of permanent magnet and magnetic related components.Including Neodymium magnet, Alnico magnet, SmCo magnet, Ferrite magnet and various of magnetic products.With an in-house R&D laboratory, We are able to... XIAMEN UN MAGNET CO.,LTD. (UNMAG) is a high-tech enterprise in manufacturer and distribution of permanent magnet and magnetic related components.Including Neodymium magnet, Alnico magnet, SmCo magnet, Ferrite magnet and various of magnetic products.With an in-house R&D laboratory, We are able to...