Radial Cylindrical Roller Bearings

1.Product Introduction: Focusing on radial loads, with strong radial rigidity and high rotational speed, and extremely weak axial load-bearing capacity.
2.Structure Type: The inner ring / outer ring have double ribs, with a single row of rollers + cage, and it is open - type / sealed, and the inner ring / outer ring are separable.
3.Size Range: Inner diameter 10 - 1000mm, outer diameter 26 - 2000mm, width 8 - 300mm.
4.Material: Inner ring / outer ring / rollers: GCr15/GCR15SIMN/20Cr2Ni4A, cage: stamped steel / brass.
5.Precision: P0/P6 level, high-speed precision version is P5/P4 level.
6.Application Fields: Electric motor spindles, machine tool spindles (non-positioning end), automobile gearboxes, fans.
7.Key Inspection Items: Radial clearance, radial load-bearing capacity, roller parallelism.

Product Description

High-Performance Radial Cylindrical Roller Bearings for Heavy-Duty Applications

Radial cylindrical roller bearings are designed to handle extreme radial loads with unmatched rigidity and speed performance. At LUOYANG INNO BEARING CO., LTD, we specialize in manufacturing bearings that thrive in high-stress environments like metallurgical furnaces, port cranes, and medical imaging systems. With over 30 years of expertise, our roller bearing products combine advanced material science and precision engineering to deliver reliability where it matters most, offering custom or standard solutions delivered globally in 48 hours.

Technical Specifications

Model Dimensions (mm) Dynamic Load Static Load Speed Limit Precision Material
NUP 210 E 50x90x20 89 kN 76 kN 6,000 RPM P6 GCr15
NJ 306 E 30x72x19 65 kN 58 kN 7,200 RPM P5 20Cr2Ni4A
Custom Up to φ5000mm 300kN+ 250kN+ As needed P4 Special alloys

Key Advantages

  • Heavy-Load Champions: Optimized for radial loads up to 300kN, ideal for steel mills and heavy machinery bearing applications.
  • Speed & Precision: Achieve rotational speeds up to 3,000 RPM with P4-level precision for medical-grade roller bearing systems.
  • Custom Capabilities: Standard sizes in stock or custom radial cylindrical roller bearings up to φ5000mm OD.

Industry-Proven Applications

  • Metallurgy & Steel Production: Our bearings withstand relentless heat (150°C) and shock loads; split designs allow quick replacements.
  • Port Machinery: Corrosion-resistant sealed roller units with IoT sensors double service life in saltwater environments.
  • Medical Equipment: Ultra-quiet (<40dB) P4-grade radial cylindrical roller bearings ensure precision in MRI scanners.

Standard vs. Custom: Quick Comparison

Parameter Standard Bearings Custom Bearings
Lead Time 48 hours 15-20 days
MOQ 1 unit 50 units
Precision Up to P5 Up to P4 (medical grade)

Quality & Lifecycle Support

Every bearing undergoes high-purity steel ultrasonic testing, automated precision grinding (±0.001mm), and 50,000+ hour load simulations. We provide rapid prototyping and full lifecycle management.

FAQs

Q: Can your bearings handle port cranes' sudden shock loads?
A: Yes! Our high-purity steel rollers absorb impact loads 2.5x better than standard bearings.

Q: Do you provide medical-grade certifications for your roller bearing products?
A: All medical bearings meet ISO 13485 standards with full traceability documentation.

Q: What if I need a non-standard inner diameter for my radial cylindrical roller bearing?
A: We specialize in custom bearing products up to φ5000mm OD—simply share your specifications!

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