Double Cylindrical Roller Bearing

1.Product Introduction: Same as double-row cylindrical roller bearings, double-row structure with strong radial load capacity, suitable for medium-heavy load scenarios.
2.Structure Type: Outer ring with double ribs, separable inner ring, double-row rollers + cage, separated by spacer ring, open type/sealed type.
3.Dimension Range: Inner diameter: 50-800mm, Outer diameter: 100-1200mm, Width: 40-200mm
4.Material: Inner ring/Outer ring/Rollers: GCr15/GCr15SiMn/20Cr2Ni4A; Cage: Stamped steel/brass
5.Accuracy: Class P0/P6, Class P5 for precision models
6.Application Fields: Heavy-duty motors, machine tool spindles, mining machinery, port cranes
7.Key Inspection Items: Consistency of double-row rollers, radial load capacity, dimensional accuracy

Product Description

Double Cylindrical Roller Bearings for Heavy-Duty Industrial Applications

When your operations demand reliability under extreme conditions, our double cylindrical roller bearings deliver unmatched performance. Engineered for heavy radial loads and harsh environments, these bearing products combine precision engineering with advanced materials to ensure durability in steel mills, port cranes, and mining machinery. With 30+ years of expertise, we’ve optimized every component—from high-purity steel rollers to heat-resistant cages—to maximize uptime and reduce maintenance costs.

Technical Specifications

Parameter Details
Dimensions ID: 50–800mm · OD: 100–5000mm · Width: 40–200mm
Material Rings/Rollers: GCr15/GCr15SiMn · Cage: Brass/Stamped Steel
Load Capacity Dynamic (Cr): Up to 500 kN · Static (Cor): Up to 900 kN
Temperature & Precision Standard -30℃ to +150℃; P0/P6 standard (P5/P4 for medical/machine tools)

Core Advantages

  • Precision Engineering: Tailored roller bearing solutions for high-temperature and heavy-load scenarios.
  • Rapid Customization: Non-standard double cylindrical roller bearings up to φ5000mm produced in 15–20 days.
  • Dual Supply Chain: 1,000+ standard bearings in stock (shipped in 48 hours) plus custom options.

Trusted in Critical Industries

  • Metallurgy & Steel Production: Withstand 150℃ heat and heavy shock loads in rolling mills without bearing lubrication failures.
  • Port Machinery & Cranes: Corrosion-resistant coatings and reinforced cages handle saltwater exposure and heavy radial loads in crane handlers.
  • Mining & Heavy Machinery: High-purity steel rollers and precision grinding extend bearing service life in dusty, high-vibration environments.

Quality & Logistics

Every bearing undergoes CMM dimensional checks, vibration analysis (<35dB noise level), and fatigue testing simulating 50,000+ hours. We provide 48-hour shipping for standard roller bearing inventory and full lifetime support.

FAQs

Q: How do your double cylindrical roller bearings handle 150℃ environments?
A: Ceramic-coated cages and graphite lubrication prevent seizing and degradation in high-temp bearing setups.

Q: Can you make φ3000mm custom roller bearing units?
A: Yes—our modular production delivers φ3000–5000mm bearings in 15 days.

Q: Do you support legacy machinery retrofits for cylindrical roller bearing assemblies?
A: Yes! We redesign bearings to match original specs without altering existing housings.

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