strong Neodymium Ring Magnets are being designed into a new generation of motors, generators, hydraulic cylinders, pumps & sensors. They also remain popular in high end loud speakers & high intensity separators.

Features include:

• Neodymium magnets are the most powerful commercially produced magnets.

• Neodymium magnets are hard and brittle and may chip or break if dropped.

• Neodymium ring magnets are magnetized through the thickness or through diameter.

• Uncoated neodymium magnets may corrode in humid conditions

• Operating temperatures vary among material grades. For a comparison of neodymium material grades, please visit our chart of material properties.

• Neodymium magnets are often assembled into products using strong adhesives such as Loctite 325. Make sure that all contact surfaces are clean and dry prior to bonding.

• Please use caution when handling magnetized neodymium magnets, their exceptional magnetic force may cause them to attract to metal (or to each other) so strongly that fingers in their path could prove painful.neodymium ring magnets has been presented above, want more similar products, please click large ndfeb ring magnets,neodymium countersunk ring magnets,neodymium speaker magnets.
      Our neodymium ring magnets is good in quality and competitive in price.

• Magnetic Characteristics And Physical Properties of Sintered NdFeB
  Properties	Remanence	Coercive Force	Intrinsic Coercive Force	Max Energy Product	Max Working Temp
  	Br	Hcb	Hcj	(BH)max	Tw
  Grade	mT(KGs)	KA/m (KGs)	KA/m (KOe)	KJ/m 3 ( MGOe )	℃
  N-35	1170-1220	≥ 868	≥ 955	263-287	≤ 80
  	(11.7-12.2)	( ≥ 10.9)	( ≥ 12)	(33-36)
  N-38	1220-1250	≥ 899	≥ 955	287-310	≤ 80
  	(12.2-12.5)	( ≥ 11.3)	( ≥ 12)	(36-39)
  N-40	1250-1280	≥ 923	≥ 955	302-326	≤ 80
  	(12.5-12.8)	( ≥ 11.6)	( ≥ 12)	(38-41)
  N-42	1280-1320	≥ 923	≥ 955	318-342	≤ 80
  	(12.8-13.2)	( ≥ 11.6)	( ≥ 12)	(40-43)
  N-45	1320-1380	≥ 876	≥ 955	342-366	≤ 80
  	(13.2-13.8)	( ≥ 11.0)	( ≥ 12)	(43-46)
  N-48	1380-1420	≥ 836	≥ 876	366-390	≤ 80
  	(13.8-14.2)	( ≥ 10.5)	( ≥ 11)	(46-49)
  N-50	1400-1450	≥ 860	≥ 876	382-406	≤ 80
  	(14.0-14.5)	( ≥ 10.8)	( ≥ 11)	(48-51)
  35M	1170-1220	≥ 868	≥ 1114	263-287	≤ 100
  	(11.7-12.2)	( ≥ 10.9)	( ≥ 14)	(33-36)
  38M	1220-1250	≥ 899	≥ 1114	287-310	≤ 100
  	(12.2-12.5)	( ≥ 11.3)	( ≥ 14)	(36-39)
  40M	1250-1280	≥ 923	≥ 1114	302-326	≤ 100
  	(12.5-12.8)	( ≥ 11.6)	( ≥ 14)	(38-41)
  42M	1280-1320	≥ 955	≥ 1114	318-342	≤ 100
  	12.8-13.2	( ≥ 12.0)	( ≥ 14)	(40-43)
  45M	1320-1380	≥ 995	≥ 1114	342-366	≤ 100
  	(13.2-13.8)	( ≥ 12.5)	( ≥ 14)	(43-46)
  48M	1360-1430	≥ 1027	≥ 1114	366-390	≤ 100
  	(13.6-14.3)	( ≥ 12.9)	( ≥ 14)	(46-49)
  50M	1400-1450	≥ 1033	≥ 1114	382-406	≤ 100
  	(14.0-14.5)	( ≥ 13.0)	( ≥ 14)	(48-51)
  33H	1130-1180	≥ 836	≥ 1353	247-271	≤ 120
  	(11.3-11.8)	( ≥ 10.5)	( ≥ 17)	(31-34)
  35H	1170-1220	≥ 868	≥ 1353	263-287	≤ 120
  	(11.7-12.2)	( ≥ 10.9)	( ≥ 17)	(33-36)
  38H	1220-1250	≥ 899	≥ 1353	287-310	≤ 120
  	(12.2-12.5)	( ≥ 11.3)	( ≥ 17)	(36-39)
  40H	1250-1280	≥ 923	≥ 1353	302-326	≤ 120
  	(12.5-12.8)	( ≥ 11.6)	( ≥ 17)	(38-41)
  42H	1280-1320	≥ 955	≥ 1353	318-342	≤ 120
  	(12.8-13.2)	( ≥ 12.0)	( ≥ 17)	(40-43)
  45H	1320-1380	≥ 963	≥ 1353	342-366	≤ 120
  	(13.2-13.8)	( ≥ 12.1)	( ≥ 17)	(43-46)
  48H	1370-1430	≥ 995	≥ 1274	366-390	≤ 120
  	(13.7-14.3)	( ≥ 12.5)	( ≥ 16)	(46-49)
  33SH	1130-1170	≥ 844	≥ 1592	247-271	≤ 150
  	(11.3-11.7)	≥ 10.6	( ≥ 20)	(31-34)
  35SH	1170-1220	≥ 876	≥ 1592	263-287	≤ 150
  	(11.7-12.2)	( ≥ 11.0)	( ≥ 20)	(33-36)
  38SH	1220-1250	≥ 907	≥ 1592	287-310	≤ 150
  	(12.2-12.5)	( ≥ 11.4)	( ≥ 20)	(36-39)
  40SH	1250-1280	≥ 939	≥ 1592	302-326	≤ 150
  	(12.5-12.8)	( ≥ 11.8)	( ≥ 20)	(38-41)
  42SH	1280-1320	≥ 995	≥ 1592	318-342	≤ 150
  	(12.8-13.2)	( ≥ 12.5)	( ≥ 20)	(40-43)
  45SH	1320-1380	≥ 1003	≥ 1592	342-366	≤ 150
  	(13.2-13.8)	( ≥ 12.6)	( ≥ 20)	(43-46)
  28UH	1020-1080	≥ 764	≥ 1990	207-231	≤ 180
  	(10.2-10.8)	( ≥ 9.6)	( ≥ 25)	(26-29)
  30UH	1080-1130	≥ 812	≥ 1990	223-247	≤ 180
  	(10.8-11.3)	( ≥ 10.2)	( ≥ 25)	(28-31)
  33UH	1130-1170	≥ 852	≥ 1990	247-271	≤ 180
  	(11.3-11.7)	( ≥ 10.7)	( ≥ 25)	(31-34)
  35UH	1180-1220	≥ 860	≥ 1990	263-287	≤ 180
  	(11.8-12.2)	( ≥ 10.8)	( ≥ 25)	(33-36)
  38UH	1220-1250	≥ 907	≥ 1990	287-310	≤ 180
  	(12.2-12.5)	( ≥ 11.4)	( ≥ 25)	(36-39)
  30EH	1080-1130	≥ 812	≥ 2388	223-247	≤ 200
  	(10.8-11.3)	( ≥ 10.2)	( ≥ 30)	(28-31)
  33EH	1130-1170	≥ 812	≥ 2388	247-271	≤ 200
  	(11.3-11.7)	( ≥ 10.2)	( ≥ 30)	(31-34)
  35EH	1170-1220	≥ 876	≥ 2388	263-287	≤ 200
  	(11.7-12.2)	( ≥ 11.0)	( ≥ 30)	(33-36)
  30AH	1080-1130	≥ 812	≥ 2785	223-247	≤ 240
  	(10.8-11.3)	( ≥ 10.2)	( ≥ 35)	(28-31)
  33AH	1130-1170	≥ 812	≥ 2785	247-271	≤ 240
  	(11.3-11.7)	( ≥ 10.2)	( ≥ 35)	31-34

  
  

• Applications: sensors, motors, rotors, wind turbine,wind generators, loudspeakers, magnetic hooks, filters automobiles, Toys, micro-special electric machinery, audio equipments, electronic industry, auto industry, magnetic transmission gears and magnet therapy equipment, sorption, ads, teaching tools and other office automation, magnet toys, aero generators, magnetic toys, magnetic separators, magnetic bracelets, magnetic necklaces, copiers, synchrotrons, radiation sources, free electron lasers, agriculture, detection earthquake, and so on.

Samples Pictures of strong Neodymium Ring Magnets: