Neodymium Block Magnet – 76.2mm x 50.8mm x 50.8mm | N52

Description

The Neodymium Block Magnet – 76.2mm x 50.8mm x 50.8mm | N52 is an exceptionally large and powerful rare earth magnet designed for demanding industrial, engineering and specialised magnetic applications. Manufactured from premium N52 grade Neodymium Iron Boron (NdFeB), this heavy-duty rectangular magnet offers outstanding magnetic energy density and is suited to applications requiring substantial magnetic performance.

Measuring 76.2mm long x 50.8mm wide x 50.8mm thick (3" x 2" x 2"), this industrial neodymium block magnet features a substantial rectangular body with a square cross-section. Its considerable size, combined with high-performance N52 magnetic material, makes it suitable for specialised magnetic assemblies, industrial equipment development, engineering research and custom magnetic systems.

N52 is one of the highest commonly available commercial neodymium magnet grades, offering greater magnetic energy potential than lower grades such as N35, N38 and N42 when comparing magnets of identical dimensions and magnetisation.

Neodymium magnets, also known as rare earth magnets, NdFeB magnets, super strong magnets or permanent rare earth magnets, are widely used in manufacturing, engineering, industrial automation and specialised equipment because of their exceptional magnetic strength relative to size.

The N52 designation refers to the magnetic material's energy product classification, not a pull force of 52kg. Actual magnetic holding performance depends on the magnet's dimensions, magnetisation direction, target material, contact area, air gaps and magnetic circuit design.

Due to its extremely large dimensions and powerful N52 magnetic material, this magnet can generate very strong and potentially dangerous magnetic attraction. Uncontrolled contact with steel objects or other magnets can cause serious crushing injuries, equipment damage or magnet fracture.

This product is intended for experienced industrial and technical users with appropriate handling procedures, protective equipment and suitable installation methods.

Also known as a 3-inch x 2-inch x 2-inch neodymium block magnet, N52 rectangular rare earth magnet, extra-large neodymium magnet, industrial NdFeB block magnet, heavy-duty permanent magnet or super strong neodymium block, this product is designed for specialised applications requiring a substantial magnetic component.

Key Features

• Length: 76.2mm (3 inches)

• Width: 50.8mm (2 inches)

• Thickness: 50.8mm (2 inches)

• Magnet Grade: N52

• Material: Neodymium Iron Boron (NdFeB)

• Shape: Rectangular Block

• Cross-Section: 50.8mm x 50.8mm

• Magnet Type: Permanent Rare Earth Magnet

• High-performance N52 magnetic material

• Exceptionally large magnetic volume

• Extremely strong magnetic attraction

• High magnetic energy density

• Suitable for specialised industrial magnetic assemblies

• Useful for engineering and equipment development

• Suitable for custom magnetic fixtures

• Ideal for advanced magnetic research and testing

• Permanent magnetic field without electrical power

• Intended for experienced industrial and technical users

Common Applications

This extra-large N52 neodymium block magnet may be suitable for:

• Industrial magnetic assemblies

• Specialised engineering projects

• Custom magnetic equipment

• Magnetic field research

• Industrial automation

• Magnetic positioning systems

• Magnetic separation equipment

• Custom magnetic fixtures

• Manufacturing equipment development

• Magnetic coupling systems

• Research and development

• Magnetic testing and experimentation

• Specialised mechanical assemblies

• Industrial prototypes

• Custom-designed magnetic systems

Application suitability depends on the required magnetic field, holding force, operating environment and engineering design.

Extra-Large Rectangular Design – 76.2mm x 50.8mm x 50.8mm

This neodymium magnet features a substantial rectangular profile measuring:

• Length: 76.2mm (3 inches)

• Width: 50.8mm (2 inches)

• Thickness: 50.8mm (2 inches)

Its large dimensions provide a considerable volume of magnetic material, making it suitable for specialised applications requiring a powerful permanent magnetic component.

The 50.8mm x 50.8mm square cross-section provides a substantial body of magnetic material, while the 76.2mm length offers an elongated rectangular profile.

Potential applications include:

• Industrial magnetic fixtures

• Custom magnetic equipment

• Magnetic positioning systems

• Magnetic separation assemblies

• Engineering prototypes

• Specialised magnetic mechanisms

Because of its size and magnetic strength, careful consideration must be given to handling, mounting, storage and installation.

Premium N52 Neodymium Magnetic Material

This magnet is manufactured from N52 grade Neodymium Iron Boron (NdFeB).

N52 is a high-performance neodymium magnetic grade recognised for its high maximum energy product.

Compared with lower grades such as N35, N38 and N42, N52 material generally provides greater magnetic energy potential when comparing magnets of identical dimensions and magnetisation.

Benefits of N52 Neodymium Magnets

Exceptional Magnetic Strength

N52 neodymium magnets provide high magnetic performance relative to their size.

High Magnetic Energy Density

The N52 grade is suitable for applications requiring strong magnetic fields from a permanent magnet.

Industrial Versatility

N52 magnets are used in a variety of engineering, industrial and technical applications.

Permanent Magnetic Performance

Neodymium magnets maintain their magnetic field without requiring electrical power.

High-Performance Magnetic Material

N52 is among the highest commonly available commercial neodymium grades.

The N52 grade does not indicate a 52kg pull-force rating.

Extremely Powerful Magnetic Attraction

Due to its exceptionally large dimensions and N52 neodymium material, this magnet can generate extremely powerful magnetic attraction.

Large neodymium magnets may attract nearby ferromagnetic objects from a significant distance, depending on the size, shape and material of those objects.

Potential hazards include:

• Severe crushing injuries

• Sudden attraction to steel surfaces

• Uncontrolled movement of heavy ferromagnetic objects

• Collision with other powerful magnets

• Damage to nearby machinery or equipment

• Chipping or shattering on impact

• Flying fragments following magnet fracture

• Interference with magnetically sensitive devices

WARNING: This is an exceptionally powerful magnet intended for experienced users only.

Appropriate mechanical handling equipment, separation methods, protective barriers and controlled working procedures may be necessary.

Never place hands, fingers or other body parts between this magnet and a steel surface or another powerful magnet.

Industrial Magnetic Assemblies

Large N52 neodymium block magnets may be incorporated into specialised industrial magnetic assemblies requiring substantial magnetic performance.

Potential applications include:

• Custom magnetic fixtures

• Industrial positioning systems

• Magnetic field generation

• Equipment retention mechanisms

• Specialised magnetic housings

• Manufacturing equipment

• Engineering research

For industrial use, the magnet should be integrated into a properly designed assembly that accounts for magnetic forces, mechanical retention, impact protection and operating conditions.

Magnetic Separation Applications

Powerful neodymium magnets are commonly used as magnetic components within specialised separation equipment.

Depending on the magnetic circuit design, this N52 block magnet may be incorporated into custom systems designed to attract ferrous metal contaminants or separate magnetic materials.

Potential applications include:

• Industrial magnetic separation assemblies

• Custom ferrous metal collection systems

• Engineering prototypes

• Specialised magnetic equipment

• Magnetic field development

Important: This magnet is a standalone magnetic component and is not a complete magnetic separator.

Suitability for food processing, pharmaceutical manufacturing or other regulated applications depends on the design, materials and certification of the complete equipment.

Engineering and Research Applications

This extra-large N52 magnet may be useful in advanced engineering and research environments.

Potential applications include:

• Magnetic field testing

• Custom magnetic experiments

• Industrial equipment development

• Magnetic circuit research

• Specialised mechanical assemblies

• Engineering prototypes

• Magnetic interaction studies

Due to its substantial magnetic strength, controlled handling procedures and suitable protective equipment are essential.

Magnetic Field and Magnetisation Direction

The magnetic field generated by a neodymium block magnet depends on its material grade, dimensions and magnetisation direction.

Rectangular magnets may be magnetised through their thickness, width or length, depending on the manufacturing configuration.

The magnetisation direction of this specific product has not been confirmed.

Magnetisation direction affects:

• North and south pole locations

• Magnetic field distribution

• Holding performance

• Attraction to steel surfaces

• Interaction with other magnets

• Suitability for particular assemblies

For precision applications, confirm the magnetisation direction before installation.

Installation and Mounting Considerations

Extra-large neodymium magnets require careful installation planning.

Potential mounting methods include:

• Custom mechanical housings

• Protective enclosures

• Engineered retention systems

• Specialised magnetic assemblies

• Industrial mounting fixtures

The appropriate method depends on the intended application and operating conditions.

General Installation Recommendations

1. Confirm the required magnetic performance.

2. Verify the magnet's dimensions and magnetisation direction.

3. Assess the installation environment for nearby steel objects.

4. Establish a controlled handling and installation procedure.

5. Use appropriate mechanical handling equipment where required.

6. Keep hands and body parts clear of magnetic contact areas.

7. Prevent uncontrolled attraction to steel surfaces.

8. Protect the magnet against impact and mechanical stress.

9. Secure the magnet using a suitable engineered retention method.

10. Test the completed assembly under realistic operating conditions.

Important: Do not drill, cut, grind or machine finished neodymium magnets. They are brittle and machining dust can present a fire hazard.

Magnetic Pull Force and Performance

The holding strength of this magnet depends on several factors, including:

• N52 magnetic grade

• Magnet dimensions

• Magnetisation direction

• Target steel thickness

• Surface condition

• Air gaps

• Load orientation

• Temperature

• Magnetic circuit configuration

A magnet's rated direct pull force is not equivalent to the weight it can safely support in every installation.

Sliding resistance, vibration, shock loading and air gaps can significantly reduce effective holding performance.

A specific pull-force rating has not been supplied for this magnet.

For load-bearing or industrial retention applications, obtain verified performance data and conduct appropriate engineering testing.

Suitable Magnetic Surfaces

This neodymium magnet attracts suitable ferromagnetic materials, including:

• Mild steel

• Iron

• Certain magnetic steel alloys

• Compatible ferromagnetic components

It does not magnetically attach to:

• Aluminium

• Copper

• Brass

• Timber

• Plastic

• Glass

• Non-magnetic stainless steel

Some stainless steel grades are magnetic, while others are not.

The magnet may also attract or repel other permanent magnets depending on their pole orientation.

Neodymium Magnet Handling and Durability

Although neodymium magnets provide exceptional magnetic strength, they are hard and brittle by nature.

They may chip, crack or shatter if:

• Dropped

• Struck against steel

• Allowed to collide with other magnets

• Subjected to bending forces

• Compressed unevenly

• Forced into tight mounting spaces

For a magnet of this size, uncontrolled collisions can be extremely dangerous.

Protective housings, suitable handling equipment and controlled installation procedures are strongly recommended.

Technical Specifications

Compliance & Safety

EXTREME MAGNETIC HAZARD: This extra-large N52 neodymium magnet can create severe pinch, crush and impact hazards. It should only be handled by experienced personnel using appropriate safety procedures.

Crush Hazard: Keep fingers, hands and other body parts away from the space between the magnet and ferromagnetic objects.

Uncontrolled Attraction: The magnet may attract steel objects or other magnets suddenly and with considerable force.

Brittle Material: Neodymium magnets are brittle and may chip, crack or shatter if subjected to impact.

Protective Equipment: Appropriate eye protection, protective barriers and mechanical handling equipment may be required.

Children: Keep this magnet away from children. Swallowed magnets can cause life-threatening internal injuries.

Medical Devices: Strong magnetic fields may interfere with pacemakers, implanted medical devices and magnetically sensitive equipment. Follow the relevant manufacturer's safety guidance.

Electronic Equipment: Keep the magnet away from sensitive electronic equipment, magnetic storage media and instruments that may be affected by magnetic fields.

Machining: Do not drill, cut, grind or machine finished neodymium magnets.

Temperature: Excessive heat can permanently reduce magnetic performance. Confirm the magnet's operating temperature rating before use.

Corrosion: Neodymium magnets may corrode if their protective coating is damaged or inadequate. The exact coating has not been specified.

Load-Bearing Applications: Do not use this magnet for overhead lifting, personnel safety or safety-critical load retention without appropriate engineering assessment and certification.

Storage: Store securely with suitable separation from other powerful magnets and ferromagnetic objects.

Frequently Asked Questions

What are the dimensions of this neodymium block magnet?

The magnet measures 76.2mm long x 50.8mm wide x 50.8mm thick, equivalent to 3 inches x 2 inches x 2 inches.

What does N52 mean?

N52 refers to the grade of the neodymium magnetic material. It indicates a high-performance magnetic material classification and does not mean the magnet has a 52kg pull force.

Is this an extremely powerful magnet?

Yes. Due to its exceptionally large dimensions and N52 neodymium material, this magnet can generate extremely strong magnetic attraction and must be handled with exceptional care.

What is the pull force of this magnet?

A specific pull-force rating has not been provided. For applications requiring a defined holding force, obtain verified manufacturer data or conduct appropriate testing.

Is this magnet suitable for industrial applications?

It may be suitable for specialised industrial magnetic assemblies, positioning systems, fixtures and custom equipment, depending on the engineering requirements.

Can this magnet be used for magnetic separation?

It may be incorporated into a suitably designed magnetic separation assembly. However, it is not a complete magnetic separator.

Can this magnet be used for lifting heavy objects?

It should not be used as a standalone lifting magnet. Lifting applications require appropriately designed and rated lifting equipment.

Can I drill a hole through this magnet?

No. Finished neodymium magnets should not be drilled or machined because they are brittle and machining dust can present safety hazards.

Will this magnet attract stainless steel?

Some stainless steel grades are magnetic, while others are not. Test the specific stainless steel surface before use.

Can this magnet break?

Yes. Neodymium magnets are brittle and can chip, crack or shatter if dropped or allowed to collide with steel or other magnets.

What is the maximum operating temperature?

The maximum operating temperature has not been specified. Confirm the manufacturer's rating before using the magnet in elevated-temperature environments.

Is this magnet suitable for outdoor use?

Outdoor suitability depends on the coating, environmental conditions and mounting arrangement. The exact coating and corrosion resistance have not been specified.

What is the difference between an N52 and N38 neodymium magnet?

N52 neodymium material generally has a higher maximum energy product than N38 material. For magnets with identical dimensions and magnetisation, N52 may provide stronger magnetic performance, although actual holding force depends on the complete application.

Related Products

Customers considering this extra-large N52 neodymium block magnet may also be interested in:

• Neodymium Block Magnets in Other Sizes

• N38 Neodymium Block Magnets

• N42 Neodymium Block Magnets

• N52 Neodymium Block Magnets

• Neodymium Disc Magnets

• Neodymium Cylinder Magnets

• Neodymium Ring Magnets

• Countersunk Neodymium Magnets

• Neodymium Pot Magnets

• Industrial Rare Earth Magnets

• Custom Magnetic Assemblies

Please Note

This Neodymium Block Magnet – 76.2mm x 50.8mm x 50.8mm | N52 is manufactured from high-performance N52 grade neodymium iron boron magnetic material.

Its dimensions are 76.2mm long x 50.8mm wide x 50.8mm thick (3" x 2" x 2").

The exact pull force, surface Gauss, coating, magnetisation direction, dimensional tolerances and maximum operating temperature have not been supplied.

N52 refers to the magnetic material grade, not a pull-force rating.

Due to its exceptionally large size and magnetic strength, this magnet must be handled with extreme care.

Neodymium magnets are brittle by nature and may chip, crack or shatter if subjected to impact.

This magnet is intended for experienced industrial and technical users only.

For industrial applications requiring a specific holding force or environmental performance, confirm the relevant technical specifications and test the magnet in its intended operating conditions.