Nup Bearing

1.Product Introduction: The inner ring has a single rib + flat rib, able to bear radial + slight axial loads, and suitable for shaft system positioning.
2.Structure Type: The outer ring has double ribs, the inner ring has a single rib + flat rib, 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 / flat rib / rollers: GCr15/GCR15SIMN/20Cr2Ni4A, cage: stamped steel / brass.
5.Precision: P0/P6 level, P5 level for positioning scenarios.
6.Application Fields: Machine tool spindles (positioning end), electric motors, reducers, automobile transmission systems.
7.Key Inspection Items: Radial clearance, axial load-bearing capacity, flat rib fitting degree.

Product Description

High-Temperature & Heavy-Load NUP Bearings for Extreme Industrial Environments

When your heavy machinery demands unmatched radial and axial load capacity in harsh conditions, NUP bearings from LUOYANG INNO BEARING deliver. Engineered for demanding industrial applications—from scorching steel mills to corrosive port environments—our high-precision NUP bearing products combine 30+ years of expertise with advanced materials like GCr15 steel and modular designs to reduce downtime by 40%.

Technical Specifications

Parameter Specification
Inner Diameter 20mm – 5000mm (Fully Custom)
Dynamic Load (Cr) Up to 3,500 kN
Temperature Range -50℃ to +150℃ (expandable with coatings)
Noise Level P0-P4 grades (medical: <35dB)

Key Advantages

  • Heavy-Duty Design: Engineered to handle complex radial and axial stresses in extreme bearing applications.
  • Rapid Customization: Modular assembly cuts custom NUP bearing lead times by 30%.
  • Global Logistics: 1,000+ standard bearing sizes ready for 48-hour dispatch.

Industry-Proven Applications

  • Metallurgy: NUP bearings withstand 500℃+ in rolling mills and continuous casting machines using special alloy cores.
  • Port Machinery: Salt-spray-resistant roller bearing variants feature triple-labyrinth seals to block 95% of contaminants.
  • Medical Equipment: P4-grade precision with <35dB noise for MRI machines and surgical robots.

Quality & Lifecycle Support

Every bearing undergoes 100% steel spectrometry, precision grinding (±0.001mm radial runout), and 50G shock resistance tests. We offer IoT-enabled wear alerts via embedded sensors.

FAQs

Q: How do you customize oversized NUP bearings for legacy cranes?
A: We reverse-engineer using 3D scans, guaranteeing ±0.005mm tolerances for your bearing replacements.

Q: Can NUP bearing products integrate IoT sensors?
A: Yes—our MarineShield series tracks load and temperature to predict bearing failures.

Q: What materials prevent shock load failures in this roller bearing type?
A: 20Cr2Ni4A steel cores with case hardening (60-64HRC) ensure maximum structural integrity.

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