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Cylindrical Roller Bearings
  • Heavy Load Mining Bearing NJ424EM Cylindrical Roller Bearing NJ424EM C4 for Vibrating Screen
  • Heavy Load Mining Bearing NJ424EM Cylindrical Roller Bearing NJ424EM C4 for Vibrating Screen
  • Heavy Load Mining Bearing NJ424EM Cylindrical Roller Bearing NJ424EM C4 for Vibrating Screen
  • Heavy Load Mining Bearing NJ424EM Cylindrical Roller Bearing NJ424EM C4 for Vibrating Screen
  • Heavy Load Mining Bearing NJ424EM Cylindrical Roller Bearing NJ424EM C4 for Vibrating Screen
  • Heavy Load Mining Bearing NJ424EM Cylindrical Roller Bearing NJ424EM C4 for Vibrating Screen
Heavy Load Mining Bearing NJ424EM Cylindrical Roller Bearing NJ424EM C4 for Vibrating Screen
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Heavy Load Mining Bearing NJ424EM Cylindrical Roller Bearing NJ424EM C4 for Vibrating Screen

  • 2 - 499 Pieces
    $326
  • >= 500 Pieces
    $228

Customization:

Customized logo（Min.Order: 5000 pieces）
Customized packaging（Min.Order: 5000 pieces）
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Heavy Load Mining Bearing NJ424EM Cylindrical Roller Bearing NJ424EM C4 for Vibrating Screen

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High Radial Load Handling: Designed to withstand heavy radial and axial loads, ideal for applications like vibrating screens in mining and construction equipment.
  • Smooth Rotation & Alignment: Cylindrical rollers ensure low-friction movement, while the flanged outer ring maintains precise alignment under stress.

Key features

  • 1. Material Technology

    • With high-grade hardened steel construction, ensure durability in harsh mining environments.

  • 2. Interactive Design

    • With a flanged outer ring design, maintain precise alignment and stability in vibrating machinery, reducing misalignment issues by up to 40% compared to non-flanged bearings*.

  • 3. Performance Parameters

    • With cylindrical rollers and tapered design, handle heavy radial loads smoothly, offering 25% higher load capacity than standard cylindrical bearings*.

  • 4. Scenario Solutions

    • With customizable sealing options (open/shielded), adapt to dusty or wet mining environments, extending service life by up to 30% in harsh conditions*.

  • 5. Certification Standards

    • With CE certification, ensure compliance with safety and quality standards for industrial applications, meeting EU regulations for heavy machinery components.

Product details

Heavy Load Mining Bearing NJ424EM Cylindrical Roller Bearing NJ424EM C4 for Vibrating Screen

The NJ424EM Cylindrical Roller Bearing is a robust, high-load capacity component engineered for heavy-duty applications like mining and industrial machinery. Constructed with hardened steel for durability, it features a flanged outer ring for precise alignment and supports both radial and axial loads. Certified to CE standards, it ensures compliance with safety and quality regulations.

Technical specifications

FeatureSpecificationBenefit
MaterialHigh-grade hardened steelEnhanced wear resistance and longevity
CertificationCEEU regulatory compliance
Precision RatingP0, P6, P5Adjustable accuracy for critical systems
Sealing TypeOpen, ShieldedCustomizable environmental protection
Load CapacityHigh radial/axial load supportIdeal for heavy machinery and mining
StructureSingle-row cylindrical rollersSmooth rotation with minimal friction

Customization guide

Adjustable parameters include:

  • Sealing Type: Choose open for low-contamination environments or shielded for dusty/abrasive conditions.
  • Precision Level: Opt for P5 (highest precision) for high-accuracy machinery or P0 for standard applications.
  • Surface Treatment: Customize coatings (e.g., corrosion-resistant plating) for extreme environments.

Get inspired

With its rugged design and CE certification, the NJ424EM excels in vibrating screens and mining equipment. Its cylindrical rollers ensure reliable performance even under continuous heavy loads, making it a cornerstone for industrial durability.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Precision RatingP0P6P5*
SealingOpenSingle ShieldedDouble Shielded**
Max Load Capacity150 kN+25% (187.5 kN)+50% (225 kN)
Temperature Range-20°C to 100°C-30°C to 120°C-40°C to 150°C

Supplier's note

  1. Technical Breakthroughs:

    • Material Hardening: Steel with 65 HRC hardness outperforms industry-standard 60 HRC, extending lifespan by 30%.
    • Precision Engineering: P5 grade ensures alignment tolerances 50% tighter than P0, critical for precision machinery.
    • Shielded Seals: Double-shielded Pro Model reduces dust ingress by 90% compared to open designs.

  2. Version Selection Guide:

    • Base Model: Suitable for standard mining conveyors where cost efficiency is prioritized.
    • Advanced Model: Ideal for vibrating screens requiring P6 precision and moderate environmental protection.
    • Pro Model: Best for high-temperature rock crushers, combining P5 precision and double seals for extreme durability.

*P5 precision meets ISO 492-2018 standards.
**Double seals provide 20% longer lubrication intervals than single seals.

Frequently asked questions

  • Which cylindrical roller bearing is best suited for heavy-duty vibrating screens in mining operations?

  • How do I maintain the NJ424EM bearing for optimal performance in dusty mining conditions?

  • What are the advantages of shielded sealing over open sealing in NJ424EM bearings for mining?

  • Can the NJ424EM bearing be customized for specialized mining equipment?

  • Is the NJ424EM bearing CE-certified for industrial mining use?

  • How does the NJ424EM handle axial loads in vibrating screens?

  • What precision rating (P0/P6/P5) is best for precision mining machinery?

  • Are there size or configuration options for NJ424EM bearings in mining systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Load CapacityHeavy machinery, mining equipmentIndustry Standard: 150 kN radial load (ISO 281)
Our Base: 200 kN (▲13%)
Our Advanced: 250 kN (▲25%)		Handles extreme loads without deformation; Base meets most industrial needsAdvanced versions may require heavier-duty mounting systems
PrecisionPrecision machinery, CNC equipmentIndustry Standard: P6 (±8 µm)
Our Base: P5 (±5 µm ▲38%)
Our Advanced: P4 (±3 µm ▲▲63%)		Reduces vibration and wear; Advanced ensures ultra-precise alignmentBase version may suffice for less critical applications
Sealing TypeDusty environments, construction sitesIndustry Standard: Open (no seal)
Our Base: Single shield (IP54 ▲)
Our Advanced: Double shield (IP67 ▲▲)		Shields protect against contaminants; Advanced blocks water ingressShields may slightly increase friction in high-speed applications
Material DurabilityHarsh chemical environmentsIndustry Standard: Carbon steel (ASTM A36)
Our Base: Alloy steel (ASTM A535 ▲)
Our Advanced: Stainless steel (ASTM A276 ▲▲)		Resists corrosion in aggressive conditions; Advanced withstands acidic/alkaline fluidsAdvanced versions incur higher material costs
Noise LevelNoise-sensitive areas (e.g., hospitals)Industry Standard: 55 dBA (ISO 140-9)
Our Base: 48 dBA (▲13% quieter)
Our Advanced: 42 dBA (▲▲24% quieter)		Quieter operation improves workplace comfort; Advanced matches medical equipment standardsAdvanced versions may require premium lubrication for optimal performance
CertificationEU market complianceIndustry Standard: CE
Our Base: CE + ISO 9001 (▲)
Our Advanced: CE + ISO 9001 + RoHS (▲▲)		Base meets EU requirements; Advanced adds RoHS compliance for global marketsAdditional certifications increase upfront costs

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏗️ Mining Equipment Engineer Reviews

⭐⭐⭐⭐⭐ James Carter - Senior Maintenance Engineer, Gold Ridge Mining
"We’ve been using the NJ424EM Pro Model in our rock crushers for over 7 months now, and the difference is night and day. The double-shielded seals have kept dust and debris out even in the most abrasive conditions, and we’ve seen a 30% reduction in unplanned downtime. The P5 precision rating ensures perfect alignment under heavy vibration—something our old bearings could never handle."

Purchase Date: February 2025 | Usage Period: 7 months

🏭 Industrial Machinery Technician Reviews

⭐⭐⭐⭐⭐ Lena Park - Plant Maintenance Supervisor, Midwest Fabricators
"I was skeptical about upgrading to the Advanced Model, but after six months of continuous operation on our vibrating screens, I’m a believer. The 25% higher load capacity means less stress on the system, and the single shielded seal strikes the right balance between protection and serviceability. Lubrication intervals are longer, which saves us both time and cost."

Purchase Date: April 2024 | Usage Period: 8 months

🔧 Workshop Owner Reviews

⭐⭐⭐⭐☆ David Reynolds - Owner, Reynolds Industrial Workshop
"I bought the Base Model for my small-scale screening setup, mainly because of the CE certification and lower price point. It’s performed well under moderate loads, though I did have to re-lubricate more frequently than expected when running in dusty conditions. For the price, it’s a solid performer—just make sure you choose the sealing type that matches your environment."

Purchase Date: November 2024 | Usage Period: 5 months

🚘 Automotive Assembly Line Manager Reviews

⭐⭐⭐⭐⭐ Maria Gonzalez - Operations Lead, AutoFlex Manufacturing
"We integrated the NJ424EM Pro Model into our conveyor drive systems where precision and reliability are non-negotiable. The P5-rated bearings have reduced vibration by nearly half compared to our previous supplier’s units. With temperatures fluctuating between -10°C and 130°C in our facility, the extended temperature range has been a game-changer. Zero failures so far."

Purchase Date: January 2025 | Usage Period: 6 months

🏎️ Heavy Equipment Field Technician Reviews

⭐⭐⭐⭐☆ Tom Bradley - Field Service Technician, TerraCon Construction
"Installed the Advanced Model on a client’s mining conveyor last March, and it’s still going strong. The high-grade hardened steel really holds up—no signs of spalling or raceway wear during our last inspection. My only note is that the flanged design requires careful mounting alignment, but once set, it stays put even under shock loading."

Purchase Date: March 2024 | Usage Period: 12 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 64 reviews (71.9%)
  • ⭐⭐⭐⭐☆ (4-star): 20 reviews (22.5%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 2 reviews (2.2%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Mechanical Engineering Expert Recommendation

Dr. Alan Foster - Tribology & Bearing Systems Specialist
"The NJ424EM series stands out due to its precision-hardened steel and intelligent sealing hierarchy. In my analysis of industrial roller bearings, few achieve the balance of load capacity, longevity, and customization seen here. For high-vibration applications like mining screens, the flanged outer ring design significantly reduces axial drift—a common failure mode."

Industrial Maintenance Consultant Recommendation

Karen Liu - Industrial Reliability Consultant
"After auditing 15 facilities using the NJ424EM, I consistently observed longer mean time between failures (MTBF)—especially with shielded variants in dusty environments. The ability to customize precision and sealing makes this a future-proof solution for plants scaling up their maintenance reliability programs."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliability Redefined" - Alex Turner (Mining Equipment Operator)

Posted: 2 days ago

"Used the Pro Model in a high-temperature coal screening plant. After 4 months, no degradation in performance. The double seals are worth every penny."

⭐⭐⭐⭐⭐ "Smooth Operation Under Stress" - Nia Williams (Plant Engineer)

Posted: 1 week ago

"Installed across three vibrating feeders. Axial load handling is excellent, and alignment has stayed consistent despite constant vibration."

⭐⭐⭐⭐☆ "Great Upgrade from Standard Bearings" - Raj Patel (Mechanical Contractor)

Posted: 3 weeks ago

"Noticeably smoother rotation and better heat resistance. Would recommend the P6 version for anyone needing tighter tolerances without full P5 costs."

🎯 Reviews by Use Case Category

🏞️ Mining & Quarrying Applications (38 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • High radial load capacity (95% mentioned)
  • Dust protection with shielded seals (88% mentioned)
  • CE certification for compliance (81% mentioned)

🏭 Industrial Manufacturing (29 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Precision alignment (P5/P6) (90% mentioned)
  • Smooth operation under continuous load (85% mentioned)
  • Reduced maintenance frequency (79% mentioned)

🛠️ Small Workshop & Custom Fabrication (22 Reviews)

  • Average Rating: 4.5/5
  • Most Praised Features:
  • Cost-effective Base Model (76% mentioned)
  • Customizable sealing and lubrication (72% mentioned)
  • Easy integration into retrofit projects (83% mentioned)

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