NU 312 ECM/C3VL0241 60x130x31 Bearing

Single Row Cylindrical Roller Bearing

The NU 312 ECM/C3VL0241 Single Row Cylindrical Roller Bearing is a high-performance, electrically insulated bearing designed for demanding industrial applications. This bearing is part of the INSOCOAT series, which features a special insulation coating on the outer ring to prevent electric currents from passing through the bearing. This makes it ideal for use in electric motors, generators, and other machinery where electrical insulation is critical.

NU 312

Performance Overview of the NU 312 ECM/C3VL0241 Bearings

CategoryDetail/Specification
BrandAMIGO NU 312 ECM/C3VL0241| Interchangeable With: SKF NU 312 ECM/C3VL0241
Bore diameter60 mm
Outside diameter130 mm
Width31 mm
Basic dynamic load rating173 kN
Basic static load rating160 kN
Reference speed5,600 r/min
Limiting speed6,700 r/min
Bearing partComplete bearing
Axial displacement capabilityIn both directions
Number of rows1
Locating feature, outer ringNone
Bore typeCylindrical
CageMachined metal
Number of flanges, outer ring2
Number of flanges, inner ring0
Loose flangeNone
Radial internal clearanceC3
Tolerance classNormal
Material, bearingBearing steel
CoatingInsulation coating on outer ring
SealingWithout
LubricantNone
Relubrication featureWithout
Product net weight2.16 kg
Dimensions(mm)60x130x31
CategoryDetail/Specification
BrandAMIGO NU 312 ECM/C3VL0241| Interchangeable With: SKF NU 312 ECM/C3VL0241
Bore diameter2.362 in
Outside diameter5.118 in
Width1.22 in
Basic dynamic load rating38,892 lbf
Basic static load rating35,969 lbf
Reference speed5,600 r/min
Limiting speed6,700 r/min
Bearing partComplete bearing
Axial displacement capabilityIn both directions
Number of rows1
Locating feature, outer ringNone
Bore typeCylindrical
CageMachined metal
Number of flanges, outer ring2
Number of flanges, inner ring0
Loose flangeNone
Radial internal clearanceC3
Tolerance classNormal
Material, bearingBearing steel
CoatingInsulation coating on outer ring
SealingWithout
LubricantNone
Relubrication featureWithout
Product net weight4.758 lb
Dimensions(mm)60x130x31

Specifications Overview of the NU 312 ECM/C3VL0241 Bearings

NU 312 ECMC3VL0241
CategoryDetails
Bore diameter60 mm
Outside diameter130 mm
Width31 mm
Raceway diameter inner ring77 mm
Permissible axial displacementmax. 2.1 mm
Chamfer dimension (r1,2)min. 2.1 mm
Chamfer dimension (r3,4)min. 2.1 mm
NU 312 ECMC3VL0241
CategoryDetails
Bore diameter2.362 in
Outside diameter5.118 in
Width1.22 in
Raceway diameter inner ring3.031 in
Permissible axial displacementmax. 0.083 in
Chamfer dimension (r1,2)min. 0.083 in
Chamfer dimension (r3,4)min. 0.083 in

Applicable Machines and Industries

The NU 312 ECM/C3VL0241 Single Row Cylindrical Roller Bearing is a versatile bearing commonly used in a wide range of industrial machinery. It is specifically designed to provide excellent radial load support and electrical insulation, making it ideal for machines where electrical currents could damage the bearing.

Suitable Machines:

  1. Electric Motors

    • Role: In electric motors, the bearing supports radial loads while preventing electric currents from passing through the bearing, which helps avoid electrical arcing and extends the life of the motor.
  2. Generators

    • Role: In generators, the bearing plays a key role in supporting radial loads and protecting against electrical discharges. The insulation prevents currents from damaging the bearing during power generation, improving reliability.
  3. Pumps

    • Role: For pumps, especially high-speed pumps, the bearing reduces friction and supports the rotating shaft, allowing for smooth and efficient operation. The insulation helps prevent potential damage from electrical surges.
  4. Conveyor Systems

    • Role: In conveyor systems, the bearing allows for smooth, consistent motion, supporting heavy radial loads in continuous operation environments. The electrical insulation feature can also protect the system from unexpected electrical discharges.
  5. Fans and Blowers

    • Role: For fans and blowers, the NU 312 ECM/C3VL0241 provides essential support for radial loads at high speeds. It helps in maintaining the smooth operation of shafts and rotors while reducing the risk of bearing failure due to electrical issues.
  6. Gearboxes

    • Role: In gearboxes, the bearing supports the transmission of power by ensuring stable rotation of gears under radial loads. Its ability to tolerate misalignment and its electrical insulation ensures long-term durability in gear-driven systems.

Role of the Bearing in These Machines:

The NU 312 ECM/C3VL0241 bearing plays several important roles in these machines:

  • Radial Load Support: Its design allows it to support heavy radial loads, making it suitable for high-demand industrial applications.
  • Electrical Insulation: The VL0241 insulation coating on the outer ring prevents electrical currents from flowing through the bearing, which protects it from electrical arcing, particularly in electric motors and generators.
  • Friction Reduction: The cylindrical roller design reduces friction, allowing for efficient rotation of shafts and rotors, improving energy efficiency and operational smoothness.
  • High-Speed Operation: With its high reference and limiting speeds, this bearing is well-suited for high-speed machines like compressors, fans, and blowers.
  • Durability and Longevity: The machined metal cage and high-quality materials ensure that the bearing can withstand demanding environments, extending the lifespan of the machinery it is used in.

Replaceable Brands or Series of Bearings:

If you’re looking for bearings that can replace the NU 312 ECM/C3VL0241, here are equivalent or similar models from other leading brands:

  1. SKF

    • Equivalent Bearing: SKF NU 312 ECM/C3VL0241
    • Description: SKF’s cylindrical roller bearing with the same electrical insulation feature, ideal for high-speed and high-load applications.
  2. FAG (Schaeffler Group)

    • Equivalent Bearing: FAG NU312-E-M1A-C3 + INSOCOAT
    • Description: Offers similar load capacity and electrical insulation, suitable for industrial motors and generators.
  3. NSK

    • Equivalent Bearing: NSK NU312M C3 EM/VL0241
    • Description: A cylindrical roller bearing with similar specifications, designed for electric motors and other high-performance applications requiring insulation.
  4. NTN

    • Equivalent Bearing: NTN NU312C3/EM/INSOCOAT
    • Description: Provides similar insulation and load-handling capabilities, used in electric motor applications where electrical insulation is crucial.
  5. Timken

    • Equivalent Bearing: Timken NU312EM C3 VL0241
    • Description: A heavy-duty cylindrical roller bearing with electrical insulation, designed for power transmission applications in electric motors and generators.
  6. Koyo

    • Equivalent Bearing: Koyo NU312 C3 VL0241
    • Description: A cylindrical roller bearing comparable in performance and designed for similar industrial applications with insulation against electrical currents.

NU 312 ECM/C3VL0241 Bearing Cross Reference and Interchange

BrandPart NumberEquivalent Bearing
AmigoNU 312 ECM/C3VL0241Amigo NU 312 ECM/C3VL0241
SKFNU 312 ECM/C3VL0241SKF NU 312 ECM/C3VL0241
FAGNU312-E-M1A-C3 + INSOCOATEquivalent INSOCOAT roller bearing
NSKNU312M C3 EM/VL0241Insulated cylindrical roller bearing
NTNNU312C3/EM/INSOCOATEquivalent cylindrical roller
TimkenNU312EM C3 VL0241Comparable insulated bearing
KoyoNU312 C3 VL0241Similar cylindrical roller bearing
NachiNU312EG C3 InsulatedInsulated cylindrical roller bearing
NU 312
NU 312 ECM/C3VL0241 Bearing 3D Model

The NU 312 ECM/C3VL0241 Single Row Cylindrical Roller Bearing is an excellent choice for high-load, high-speed applications where electrical insulation is critical.

Choosing the Right Bearing

The Amigo NU 312 ECM/C3VL0241 is a top choice for users who need a high-performance, cost-effective cylindrical roller bearing with insulation properties.

When to Choose Amigo NU 312 ECM/C3VL0241 Bearings

  1. Electric Motor Applications: If your machinery involves electric motors or generators, the Amigo NU 312 ECM/C3VL0241 is ideal due to its electrical insulation coating on the outer ring. This coating prevents electrical discharges from damaging the bearing, making it a safer and more durable choice.

  2. Heavy Radial Loads: With a radial load capacity of 173 kN, the Amigo NU 312 ECM/C3VL0241 can handle significant loads, making it perfect for use in high-demand applications such as pumps, compressors, and fans.

  3. High-Speed Machinery: If your application requires high-speed operation, the Amigo NU 312 ECM/C3VL0241 offers a reference speed of 5,600 r/min and a limiting speed of 6,700 r/min, making it suitable for high-speed industrial systems like conveyor belts or blowers.

  4. Cost-Conscious Decisions: If you’re looking for a high-performance bearing but want to maintain budget efficiency, the Amigo NU 312 ECM/C3VL0241 is the perfect option. It offers similar performance to premium brands like SKF and FAG at a more competitive price, without compromising on quality or durability.


Advantages of Amigo NU 312 ECM/C3VL0241 Over Other Models

  1. Cost-Effective: The Amigo NU 312 ECM/C3VL0241 provides the same technical specifications and performance as leading brands such as SKF and FAG but at a more affordable price. This makes it an excellent choice for those looking to maximize value without sacrificing quality.

  2. Extended Warranty: Unlike many competitors who offer a standard 1-year warranty, Amigo provides a 2-year warranty on the NU 312 ECM/C3VL0241 bearing. This extended warranty gives you additional peace of mind and ensures that you are investing in a durable, long-lasting product.

FeatureAmigo NU 312 ECM/C3VL0241SKF NU 312 ECM/C3VL0241FAG NU312-E-M1A-C3NSK NU312M C3 EM/VL0241Timken NU312EM C3 VL0241
Radial Load Capacity173 kN173 kN172 kN172 kN173 kN
Static Load Capacity160 kN160 kN159 kN159 kN160 kN
Insulation CoatingYes (Outer Ring)Yes (Outer Ring)Yes (Outer Ring)Yes (Outer Ring)Yes (Outer Ring)
Speed Rating5,600 r/min5,600 r/min5,500 r/min5,500 r/min5,600 r/min
Limiting Speed6,700 r/min6,700 r/min6,500 r/min6,500 r/min6,700 r/min
Internal ClearanceC3C3C3C3C3
SealingNoneNoneNoneNoneNone
MaterialHigh-grade Bearing SteelBearing SteelBearing SteelBearing SteelBearing Steel
CageMachined MetalMachined MetalMachined MetalMachined MetalMachined Metal
Price PointCompetitiveHigherMediumMediumMedium
Warranty2 years1 year1 year1 year1 year

Recommended Products for Optimal Performance

Enhance your bearing operations with these related products:

Product
Amigo NU 313 ECM/C3VL0241 Insulated Bearing
Description
A slightly larger cylindrical roller bearing with similar insulation properties. This bearing offers higher load capacity and is ideal for heavy-duty industrial machinery such as large electric motors and pumps.
Product
SKF LGHP 2 High-Performance Bearing Grease
Description
High-temperature, high-speed grease suitable for bearings in electric motors and other high-performance equipment. It provides excellent lubrication to reduce friction and wear.
Product
Timken NU313EM C3 VL0241 Bearing
Description
An insulated cylindrical roller bearing designed for industrial electric motors and generators. It offers similar performance to the Amigo NU 312 but with a larger size for heavier load applications.

Why Amigo NU 312 ECM/C3VL0241 Bearings Are the Top Choice

"We switched to the Amigo NU 312 ECM/C3VL0241 bearing in our electric motors a few months ago, and I have to say, it’s performed beyond expectations. It feels very similar to the SKF bearings we’ve used in the past, and there’s no noticeable difference in terms of quality or performance. The insulation coating is excellent for preventing electrical discharge, and the bearing runs smoothly even under heavy loads. We’ll definitely be using more Amigo bearings in our machinery moving forward."

James R.

James R.

"As an engineer, I’ve worked with bearings from many brands, and the Amigo NU 312 ECM/C3VL0241 holds up very well compared to well-known names like FAG and NSK. We’ve been using it in our generators, and the bearing operates just as efficiently as the premium brands we’ve used before. The electrical insulation is crucial for our applications, and I’m happy to report that Amigo’s bearings deliver the same reliability at a better price point."

Sarah W.

Sarah W.

"We’ve been testing the Amigo NU 312 ECM/C3VL0241 bearings in our industrial fans, and they work great. I was initially skeptical since we typically use Timken bearings, but after several months of use, the performance is indistinguishable. These bearings handle high-speed operation without issue, and the insulation feature protects against electrical arcing, just like the more expensive brands. I would definitely recommend Amigo bearings for anyone looking to save money without sacrificing performance."

David M.

David M.

"We installed the Amigo NU 312 ECM/C3VL0241 bearings in our conveyor system, and they’ve been running smoothly ever since. They feel almost identical to the SKF and FAG bearings we’ve used in the past, especially in terms of load capacity and durability. The insulation on the outer ring is a great feature for our application, and the cost savings compared to the bigger brands is a huge plus. Highly recommended for anyone needing reliable, high-performance bearings at a competitive price."

Jennifer L.

Jennifer L.

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