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Ring Neodymium Magnets

 N52 Rare Earth Neodymium Ring Motor Generator Magnet
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N52 Rare Earth Neodymium Ring Motor Generator Magnet

Neodymium ring magnets are made from premium ndfeb material, offering exceptional magnetic strength in a compact design.

  • Size :

    OD25 X ID18 X 5mm

  • Color :

    Silver

  • Order(MOQ) :

    100pcs

  • Sample :

    Free

  • Lead Time :

    10-15days

  • Payment :

    Paypal/TT/Credit Card
Inquire Now

N52 Rare Earth Neodymium Ring Motor Generator Magnet

Product Description

N52 Rare Earth Neodymium Ring Motor Generator Magnet

Dimensions: OD25 X  ID18 X 5mm

Shape: Ring

Tolerances: ±0.05mm

Plating/Coating: Ni-Cu-Ni (Nickel)

Magnetization Direction: Axial

Grade: N52

 

Warning:

1. All magnets are fragile and may chip or shatter, but if used properly under normal circumstances, they can serve you for lifetime. 

2. As with all magnets, keep away from pacemakers and sensitive electronics. Keep away from children.

Feature

● Ultra Strong Magnetic Force
Manufactured with high grade neodymium (up to N52), delivering powerful holding force in a small size.
● Precision Ring Design
Inner hole allows easy integration with shafts, bolts, or assemblies for mechanical systems.
● Durable Nickel Coating
Triple-layer Ni-Cu-Ni plating enhances corrosion resistance and ensures long service life.
● High Dimensional Accuracy
Tight tolerances ensure consistency and reliable performance in industrial use.
● Temperature Stability
Suitable for working environments up to 80°C
 
● Wide Range of Industrial Applications
Electric motors and generators
Sensors and magnetic assemblies
Speakers and audio equipment
Automation systems and robotics
Magnetic couplings and holders
Precision instruments and testing devices

odm n52 ring magnets manufacturer

 

Customization

Full Customization Available
We support custom sizes, grades, coatings, and magnetization directions based on your project requirements. Engineering support is available for OEM and bulk orders.
 
Strict Quality Control System
All magnets are produced under strict quality standards, with full inspection on size, coating, and magnetic performance to ensure consistency and reliability.
neodymium ring magnets for motors
Neodymium Br Hcb Hcj (Bh)max Tw
Grade mT kGs kA/m kOe kA/m kOe kJ/m3 MGOe ℃
N35 1170-1220 11.7-12.2 ＞868 ＞10.9 ＞955 ＞12 263-287 33-36 ＜80
N38 1220-1250 12.2-12.5 ＞899 ＞11.3 ＞955 ＞12 287-310 38-39 ＜80
N40 1250-1280 12.5-12.8 ＞907 ＞11.4 ＞955 ＞12 302-326 38-41 ＜80
N42 1280-1320 12.8-13.2 ＞915 ＞11.5 ＞955 ＞12 318-342 40-43 ＜80
N45 1330-1370 13.3-13.7 ＞915 ＞11.5 ＞955 ＞12 342-367 41-44 ＜80
N48 1380-1420 13.8-14.2 ＞923 ＞11.6 ＞955 ＞12 366-390 46-49 ＜80
N50 1400-1450 14.0-14.5 ＞796 ＞10 ＞876 ＞11 382-406 48-49 ＜80
N52 1430-1480 14.3-14.8 ＞796 ＞10 ＞876 ＞11 398-422 50-53 ＜80
35M 1170-1220 11.7-12.2 ＞868 ＞10.9 ＞1114 ＞14 263-297 33-36 ＜100
38M 1220-1250 12.2-12.5 ＞899 ＞11.3 ＞1114 ＞14 297-310 36-39 ＜100
40M 1250-1280 12.5-12.8 ＞923 ＞11.6 ＞1114 ＞14 302-326 38-41 ＜100
42M 1280-1320 12.8-13.2 ＞955 ＞12 ＞1114 ＞14 318-342 40-43 ＜100
48M 1360-1430 13.6-14.3 ＞1027 ＞12.9 ＞1114 ＞14 366-390 46-49 ＜100
50M 1400-1450 14.0-14.5 ＞1033 ＞13 ＞1114 ＞14 382-406 48-51 ＜100
33H 1130-1170 11.3-11.7 ＞836 ＞10.5 ＞1353 ＞17 247-271 31-34 ＜120
35H 1170-1220 11.7-12.2 ＞868 ＞10.9 ＞1353 ＞17 263-287 33-36 ＜120
38H 1220-1250 12.2-12.5 ＞899 ＞11.3 ＞1353 ＞17 287-310 36-39 ＜120
40H 1250-1280 12.5-12.8 ＞923 ＞11.6 ＞1353 ＞17 302-326 38-41 ＜120
42H 1280-1320 12.8-13.2 ＞955 ＞12 ＞1353 ＞17 318-342 40-43 ＜120
45H 1300-1360 13-13.6 ＞963 ＞12.1 ＞1353 ＞17 326-358 43-46 ＜120
48H 1370-1430 13.7-14.3 ＞995 ＞12 ＞1353 ＞17 366-390 46-49 ＜120
30SH 1080-1130 10.8-11.3 ＞804 ＞10.1 ＞1592 ＞20 223-247 28-31 ＜150
33SH 1130-1170 10.3-11.7 ＞844 ＞10.6 ＞1592 ＞20 247-271 31-34 ＜150
35SH 1170-1220 11.7-12.2 ＞876 ＞11 ＞1592 ＞20 263-287 33-36 ＜150
38SH 1220-1250 12.2-12.5 ＞907 ＞11.4 ＞1592 ＞20 287-310 36-39 ＜150
40SH 1240-1280 12.5-12.8 ＞939 ＞11.8 ＞1592 ＞20 302-326 36-41 ＜150
42SH 1280-1320 12.8-13.2 ＞987 ＞12.4 ＞1592 ＞20 318-342 40-43 ＜150
45SH 1320-1380 13.2-13.8 ＞1003 ＞12.6 ＞1592 ＞20 342-366 43-46 ＜150
28UH 1020-1080 10.2-10.8 ＞764 ＞9.6 ＞1990 ＞25 207-231 26-29 ＜180
30UH 1080-1130 10.8-11.3 ＞812 ＞10.2 ＞1990 ＞25 223-247 28-31 ＜180
33UH 1130-1170 11.3-11.7 ＞852 ＞10.7 ＞1990 ＞25 247-271 31-36 ＜180
35UH 1170-1220 11.8-12.2 ＞860 ＞10.8 ＞1990 ＞25 263-287 33-36 ＜180
38UH 1220-1250 12.2-12.5 ＞876 ＞11 ＞1990 ＞25 287-310 36-39 ＜180
40UH 1250-1280 12.5-12.8 ＞899 ＞11.3 ＞1990 ＞25 302-326 31-41 ＜180
28EH 1040-1090 10.4-10.9 ＞780 ＞9.8 ＞2388 ＞30 207-231 26-29 ＜200
30EH 1080-1130 10.8-11.3 ＞812 ＞10.2 ＞2388 ＞30 223-247 28-31 ＜200
33EH 1130-1170 11.3-11.7 ＞836 ＞10.5 ＞2388 ＞30 247-271 31-36 ＜200
35EH 1170-1220 11.7-12.2 ＞876 ＞11 ＞2388 ＞30 263-287 33-36 ＜200
38EH 1220-1250 12.2-12.5 ＞899 ＞11.3 ＞2388 ＞30 287-310 36-39 ＜200
28AH 1040-1090 10.4-10.9 ＞787 ＞9.9 ＞2642 ＞33 207-231 26-29 ＜230
30AH 1080-1130 10.8-11.3 ＞819 ＞10.3 ＞2642 ＞33 223-247 28-31 ＜230
38AH 1130-1170 11.3-11.7 ＞843 ＞10.6 ＞2642 ＞33 247-271 31-34 ＜230
 
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