22330 Bearing

1.Product Introduction: The 22330 model is a self-aligning roller bearing, an extra-heavy-duty model, used in extremely heavy-load equipment.
2.Structure Type: The inner ring has a spherical raceway, the outer ring has double ribs, with double-row rollers + steel cage, and it is open.
3.Size Range: Inner diameter 150mm, outer diameter 320mm, width 108mm.
4.Material: Inner ring / outer ring: GCr15SiMn (heavy-load with integral forging), GCr15 bearing steel (conventional), rollers: GCr15 bearing steel, cage: steel.
5.Precision: P0/P6 level.
6.Common Inner Tapered Hole: The standard configuration is a 1:12 tapered hole (suitable for a shaft diameter of 150mm).
7.Application Fields: Extra-large electric motors, rolling mill work rolls, port extra-heavy-duty machinery.
8.Key Inspection Items: Forging flaw detection, radial load-bearing capacity, tapered hole precision.

Product Description

22330 Bearing: Heavy-Duty Performance for Extreme Industrial Applications

The 22330 bearing is a heavy-duty self-aligning roller bearing engineered to withstand extreme loads and harsh operating conditions. With an inner diameter of 150mm and a dynamic load capacity exceeding 850kN, this bearing is ideal for heavy machinery in industries like metallurgy, mining, and port operations. At LUOYANG INNO BEARING CO., LTD, we combine over three decades of manufacturing expertise with advanced materials like GCr15SiMn steel to deliver bearing products that offer unmatched durability and precision in high-stress environments.

Technical Specifications

Parameter Specification
Dimensions (ID/OD/Width) 150mm / 320mm / 108mm
Load Capacity 850 kN Dynamic / 1,200 kN Static
Temperature Range -20℃ to +200℃ (HT Series available)
Precision ISO P6 standard (P5/P4 optional)

Key Advantages

  • Extreme Resilience: Designed for equipment handling ≥300-ton dynamic loads, such as rolling mill rolls and port cranes.
  • High-Temperature Adaptation: Optional ceramic grease and QPQ nitriding ensure stable bearing performance in 200℃+ environments.
  • Rapid Customization: Standard 22330 bearing models ship in 48 hours; custom variants delivered in 15–20 days.

Industry-Proven Applications

  • Metallurgy: Self-aligning bearing designs reduce wear caused by shaft deflection up to 3° in heavy rolling mills.
  • Mining: QPQ nitriding achieves surface hardness up to 62 HRC, ensuring roller bearing longevity in abrasive conditions.
  • Port Operations: High-load 22330 bearing units withstand continuous stress in heavy material handling equipment.

Quality & Support

Every bearing undergoes triple-layer quality checks, including material purity verification and 100% fatigue testing under simulated load conditions. We provide global compliance and 24/7 technical support.

FAQs

Q: Can you customize the 22330 bearing for a 200℃ steel plant environment?
A: Yes! Our HT Series uses heat-stabilized steel and ceramic-based grease to maintain bearing performance at extreme temperatures.

Q: How do you ensure bearing longevity in abrasive mining conditions?
A: We apply QPQ nitriding to achieve ≥0.6mm case depth, enhancing surface hardness to 62 HRC for superior roller durability.

Q: Can you replicate obsolete bearing models for legacy machinery?
A: Absolutely. Our reverse engineering team can recreate discontinued bearing units within 3 weeks.

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