/ Four-row tapered roller bearings

Inch series four row tapered roller bearings

1.Product Introduction: Inch - sized, four - row structure, suitable for imported super - heavy - load equipment.
2.Structure Type: The inner ring / outer ring is integrally forged (inch - sized), with four - row rollers + cage and a metal seal.
3.Size Range: Inner diameter 4 - 80 inches, outer diameter 8 - 120 inches, width 3 - 20 inches.
4.Material: Inner ring/Outer ring/Rollers: GCr15/GCr15SiMn/20Cr2Ni4A, cage: stamped steel / brass.
5.Precision: P0/P6 level (corresponding to ABEC - 1/ABEC - 3).
6.Application Fields: Imported large - scale rolling mills, European and American offshore wind power main bearings.
7.Key Inspection Items: Inch - sized dimensional accuracy, forging flaw detection, load - bearing capacity.
Product Description
Data Sheet

Inch Series Four Row Tapered Roller Bearings for Heavy-Duty Mining & Metallurgical Equipment

Key Features:

  • Four-row design for 300+ ton radial load capacity
  • Heat-treated high-purity steel (withstands -50°C to 350°C)
  • ISO P5 precision (noise <45dB at 1,800 RPM)
  • Compatible with crushers, rolling mills, and port machinery

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Product Overview

Inch series four row tapered roller bearings are engineered for extreme industrial environments where heavy loads, high temperatures, and contamination challenges demand reliability. With 30+ years of expertise, LUOYANG INNO delivers precision bearings featuring:

  • Integrated forged rings (4-80" inner diameter)
  • Multi-row rollers for even load distribution
  • Labyrinth seals blocking 99.7% of particles >10μm
  • IoT-ready designs enabling predictive maintenance

Technical Specifications

Parameter Specification
Inner Diameter (ID) 4" - 80"
Outer Diameter (OD) 8" - 120"
Dynamic Load Capacity Up to 500 kN
Material GCr15SiMn / 20Cr2Ni4A steel
Precision ISO P0/P6 (ABEC-1/ABEC-3 equivalent)
Certifications ISO 9001, API 6D, MSHA Compliance

Industry Applications

Where Our Inch series four row tapered roller bearings Excel:

1. Mining Crushers: Withstand pH 3-12 environments and 200-ton shock loads.

2. Metallurgical Rolling Mills: Operate at 500°C with P4-level precision.

3. Port Cranes: IP69K-sealed against saltwater corrosion.

4. Legacy Equipment Retrofits: Reverse-engineered dimensions (±0.1mm accuracy).

Customization & Support

Tailored Solutions for Your Machinery:

  • Non-Standard Sizes: Up to φ5000mm bore diameters.

  • Material Upgrades: Oxygen ≤10ppm steel for 20,000+ hour lifespan.

  • Emergency Services: 3D scanning + CAD redesign in 10-12 days.

Technical Support Includes:

  • 24/7 predictive maintenance alerts
  • On-site lubrication optimization
  • Worn bearing recycling program

Quality Assurance Process

1. Raw Material Checks: Spectral analysis for steel purity.

2. In-Process Testing: 12+ parameters monitored (e.g., raceway geometry).

3. Final Validation: Vibration analysis (<35dB) and 500-hour lifespan simulation.

99.9% of bearings pass initial inspection, backed by a 10% TCO reduction guarantee.

Global Delivery Network

  • Standard Bearings: Shipped in 48 hours (1,000+ units in stock).
  • Custom Orders: Delivered in 15-20 days (70% faster than competitors).
  • Regional Warehouses: Located in Canada, Chile, and Indonesia for fast MSHA-compliant replacements.

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Why Choose LUOYANG INNO?

  • ✅ 30+ years in heavy-load bearing manufacturing
  • ✅ 3D scanning + CAD customization for legacy equipment
  • ✅ IoT sensors for real-time load monitoring
  • ✅ 24/7 technical support with multilingual engineers

FAQ

Q: Can you customize products for vertical grinding mills?

A: Yes! We modify bore diameters up to 80" and add IP67 seals within 15 days.

Q: How do your bearings handle dust in mining crushers?

A: Our patented labyrinth seals trap 99.7% of particles while maintaining lubrication efficiency.

Q: What certifications do your Inch series bearings have?

A: All units meet ISO 9001 and MSHA standards, with API 6D options for oil/gas hybrids.

Q: Do you offer emergency replacements?

A: Yes – 1,000+ standard bearings are ready for 48-hour global dispatch.

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Contact Us

Need Inch series four row tapered roller bearings that match your exact requirements?

📧 Email our engineers: sales@inno-bearing.com

📞 Request a same-day quote with IoT integration specs!

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