Nu Bearing

1.Product Introduction: Similar to the NU type, with a separable inner ring, capable of bearing radial loads, and suitable for scenarios with frequent maintenance.
2.Structure Type: The outer ring has double ribs, the inner ring is separable, with a single row of rollers + cage, and it is open - type / sealed.
3.Size Range: Inner diameter 20 - 500mm, outer diameter 47 - 1000mm, width 14 - 200mm.
4.Material: Inner ring / outer ring / rollers: GCr15/GCR15SIMN/20Cr2Ni4A, cage: stamped steel / brass.
5.Precision: P0/P6 level, precision version is P5 level.
6.Application Fields: Electric motors, machine tools, reducers, construction machinery.
7.Key Inspection Items: Radial clearance, rotational flexibility, dimensional accuracy.

Product Description

NU Bearing Solutions for Industrial Excellence

High-Performance Bearings Engineered for Heavy-Duty & Precision Applications

When you need bearings that withstand relentless industrial demands, NU bearings deliver. With 30+ years of expertise, we specialize in cylindrical roller bearings optimized for radial loads, high-speed operations, and harsh environments. Our NU-type bearing products feature separable inner rings for easy maintenance, making them ideal for electric motors, machine tools, and heavy machinery where reliable roller performance is essential.

Technical Specifications

Parameter Specification
Size Range (ID / OD) 20–500mm inner diameter, 47–1000mm outer diameter
Materials High-purity bearing steel (GCr15/SUJ2), brass/stamped steel cages
Precision P0/P6 standard, P5 precision-grade options
Load Capacity Designed for radial loads up to 800kN

Key Advantages

  • Fast Customization: Reduce lead times by 70%—φ3000mm custom NU bearing designs ship in 15–20 days.
  • Dual Supply Chain: 1,000+ standard bearing units ready in 48 hours alongside agile custom roller bearing production.
  • Rigorous Testing: 12+ quality checks, including vibration analysis and bearing lifespan testing.

Industry-Proven Applications

  • Metallurgy & Heavy Machinery: Heat-treated, Cr-Mo steel NU bearings withstand 500°C temperatures in rolling mill bearing applications.
  • Port & Marine Equipment: Corrosion-resistant roller bearing variants with IP67 sealing ensure reliability in cranes and conveyors.
  • Medical Precision Systems: Ultra-low noise (≤35dB) P4-grade bearing units for MRI scanners and surgical robots.

Quality & Lifecycle Support

Aerospace-grade steel reduces bearing wear by 40%. We provide full lifecycle support from installation guidance to predictive maintenance via IoT integration.

FAQs

Q: Can you replicate bearings for obsolete machinery?
A: Yes! Our engineers provide reverse-engineering support for legacy NU bearing systems within weeks.

Q: What’s the minimum order for custom bearing solutions?
A: 50 units, but we accommodate urgent roller bearing batch requirements.

Q: How do you ensure precision in high-temperature bearing environments?
A: Specialized heat treatment and material selection guarantee stability up to 500°C.

Contact Our Bearing Experts

Your Next Project Deserves NU Bearing Precision

Contact our engineering team to schedule a technical consultation or request a custom quote.

📩 Contact Our Engineers Today

Online Message

Learn about our latest products and discounts through SMS or email