Grade 35M-50M Sintered Neodymium Magnet for Servo Motors - IATF 16949 Certified

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Packaging Details	Carton Box
Delivery Time	20-25days
Shape	Block,Arc,Ring,Customized Shape Magnet
Coating	Nickel,NiCuNi,Zinc,Epoxy Etc
Working Temperature	80~220°C
Application	New Energy Cars,Wind Power Generation,Servo Motors,Traction Motors
Material	Neodymium Iron Boron
Magnetic Orientation	As Customization
Grade	N35-N52, 35M-50M, 35H-48H, 30SH-45SH...
Brand Name	UNMAG
Place of Origin	China
Certification	ISO9001, IATF16949, ISO14001

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Product Specification


Packaging Details	Carton Box	Delivery Time	20-25days
Shape	Block,Arc,Ring,Customized Shape Magnet	Coating	Nickel,NiCuNi,Zinc,Epoxy Etc
Working Temperature	80~220°C	Application	New Energy Cars,Wind Power Generation,Servo Motors,Traction Motors
Material	Neodymium Iron Boron	Magnetic Orientation	As Customization
Grade	N35-N52, 35M-50M, 35H-48H, 30SH-45SH...	Brand Name	UNMAG
Place of Origin	China	Certification	ISO9001, IATF16949, ISO14001
High Light	Grade 35M-50M sintered neodymium magnet ，IATF 16949 certified neodymium magnet ，Servo motor sintered neodymium magnet

Grade 35M–50M Sintered Neodymium Magnet for Servo Motors – IATF 16949 Certified

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

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Business Type:

Manufacturer,Exporter,Trading Company 
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Year Established:

2009 
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Total Annual:

4000000USD-5000000
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Employee Number:

150~180 
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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...

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Xiamen Un Magnet Co.,Ltd.
Room 503,Building C,No.319,Hubin East Road,Xiamen,China
https://www.un-magnet.com/

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