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

Inch Series Four Row Tapered Roller Bearings | Heavy-Duty Precision for Extreme Conditions

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, and labyrinth seals blocking 99.7% of particles >10μm.

Technical Specifications

Parameter Specification
Inner Diameter 4" – 80"
Outer Diameter 8" – 120"
Dynamic Load Up to 500 kN
Precision ISO P0/P6 (ABEC-1/3 equivalent)

Why Choose Our Bearings?

  • Extreme Load Capacity: Four-row design supports 300+ ton radial loads.
  • Heat Resistance: Withstands continuous operation from -50°C to 350°C.
  • Customization: Non-standard sizes up to φ5000mm and material upgrades (Oxygen ≤10ppm steel) for 20,000+ hour lifespan.

Industry Applications

  • Mining Crushers: Withstand pH 3-12 environments and 200-ton shock loads.
  • Metallurgical Rolling Mills: Operate at 500°C with P4-level bearing precision.
  • Port Cranes: IP69K-sealed against saltwater corrosion.
  • Legacy Retrofits: Reverse-engineered tapered roller bearing dimensions with ±0.1mm accuracy.

Quality & Logistics

Every bearing undergoes spectral analysis, raceway geometry validation, and final vibration analysis (<35dB). We provide 48-hour shipping for standard units and 15–20 day delivery for custom orders.

FAQs

Q: Can you customize Inch series four row tapered roller bearings 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 roller lubrication efficiency.

Q: Do you offer emergency replacements?
A: Yes – 1,000+ standard bearing units are ready for 48-hour global dispatch.

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