Cylindrical Roller Bearing Inch Series

1.Product Introduction: Inch-sized, suitable for imported equipment, mainly bearing radial loads.
2.Structure Type: The outer ring has double ribs, the inner ring is separable (NU type) / has a single rib (NJ type), with a single row of rollers + cage, and it is open - type / sealed.
3.Size Range: Inner diameter 0.5 - 20 inches (12.7 - 508mm), outer diameter 1 - 40 inches (25.4 - 1016mm), width 0.3 - 8 inches (7.62 - 203.2mm).
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), precision version is P5 level (ABEC - 5).
6.Application Fields: Imported electric motors, inch-sized machine tools, petroleum machinery (European and American specifications).
7.Key Inspection Items: Inch-sized dimensional accuracy, radial clearance, ABEC precision compliance.

Product Description

Cylindrical Roller Bearing Inch Series | High-Temperature, Heavy-Load Capacity, Custom Sizes

When you need bearings that match inch-sized machinery and deliver unmatched performance under extreme conditions, our cylindrical roller bearing inch series stands ready. Designed for heavy-load, high-temperature environments like steel mills and mining crushers, these roller bearing units combine precision engineering with rapid customization. With outer diameters up to 5,000mm and a 30% faster production cycle, we solve the toughest challenges in metallurgy, port machinery, and heavy equipment.

Technical Specifications & Capabilities

Parameter Specification
Size Range Standard and custom designs up to φ5000mm OD
Load Capacity Static loads up to 500kN / Dynamic loads up to 300kN
Temperature Resistance Stable performance up to 150°C (Short-term peaks up to 500°C)
Precision & Tolerance P4-grade accuracy (ABEC-5) with ±0.0001" CNC grinding tolerance

Key Advantages

  • Extreme Conditions: Vacuum-degassed steel and multi-layer heat treatment ensure stable bearing operation in rolling mills.
  • Rapid Customization: Modular systems deliver φ3000mm+ custom cylindrical roller bearing units in 15–20 days.
  • Quiet Performance: Noise levels below 35dB make these roller variants ideal for medical and high-speed applications.

Industry-Proven Applications

  • Steel Rolling Mills: Cylindrical roller bearing inch series units withstand 500°C temperatures and heavy radial loads for 20,000+ hours.
  • Mining Crushers: Anti-shock bearing designs and corrosion-resistant coatings handle 50% higher impact loads.
  • Legacy Equipment: Custom bore and outer diameter measurements ensure seamless roller bearing replacements for obsolete machinery.

Quality & Lifecycle Support

Every bearing undergoes 3-stage inspections and 12+ final tests (vibration, radial clearance, lifespan). We provide 24/7 engineering support and IoT-driven real-time performance tracking.

FAQs

Q: How fast can you deliver a φ3000mm custom cylindrical roller bearing?
A: 15–20 days—twice as fast as most bearing industry competitors.

Q: Are these roller bearing units suitable for high-impact mining crushers?
A: Yes! Our shock-absorbing bearing design passes 50+ impact cycle tests.

Q: How do you ensure precision in inch-sized dimensions?
A: Our CNC grinding achieves ±0.0001" tolerance, verified via 3D scanning for every cylindrical roller bearing inch series unit.

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