Nu Cylindrical Roller Bearing

1.Product Introduction: Similar to the NU type, with a separable inner ring, able to bear radial loads, and suitable for high-speed applications.
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 / with dust cover.
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, high-speed version is P5 level.
6.Application Fields: Electric motors, machine tool spindles, reducers, automobile gearboxes.
7.Key Inspection Items: Radial clearance, roller parallelism, rotational flexibility.

Product Description

Nu Cylindrical Roller Bearing Overview

When your operations demand reliability under extreme conditions, Nu cylindrical roller bearings deliver unmatched performance. Designed for industries like metallurgy, port machinery, and mining, these bearing products excel in high-stress environments with temperatures up to 150°C, heavy radial loads exceeding 200kN, and corrosive settings. With a separable inner ring and optimized roller cage design, they ensure smooth operation at high speeds while minimizing maintenance downtime.

Technical Specifications

Parameter Specification
Dimensions ID 20mm–5000mm (Standard & custom sizes)
Temperature Range -30°C to +150°C (Heat-treated steel variants)
Precision Grades P0 to P4 (ISO 15242-1 compliant bearing accuracy)
Load Capacity Up to 1,500kN static radial load

Key Advantages

  • Industrial Expertise: Every Nu cylindrical roller bearing undergoes 12+ performance tests, including vibration analysis and thermal stress simulations.
  • Rapid Customization: Modular design processes slash lead times by 30%, delivering a φ3000mm bearing in 15–20 days.
  • Extreme Durability: High-purity chromium steel and specialized heat treatment extend roller bearing lifespan by 3x in blast furnaces.

Industry-Proven Applications

  • Metallurgy: Backup bearings in rolling mills handling 500°C heat and radial shocks.
  • Port Machinery: Corrosion-resistant NU cylindrical roller bearing variants with IP69K seals for crane slewing rings.
  • Mining: Shock-proof roller designs (50J impact resistance) for crushers and conveyors.
  • Medical Equipment: P4-grade precision bearing units with <35dB noise for imaging devices.

Quality & Logistics

Every bearing undergoes spectrometer testing (99.95% steel purity), precision grinding (tolerance control ≤0.002mm), and 10,000+ hour lifespan validation. We maintain 1,000+ standard units for 48-hour dispatch.

FAQs

Q: Can you deliver a φ3200mm Nu cylindrical roller bearing product in 18 days?
A: Yes. Our modular production system prioritizes urgent bearing requests without compromising quality.

Q: How do your roller bearing products handle saltwater corrosion?
A: We use super duplex steel and triple-lip seals for 1,000+ hours of salt spray resistance (ASTM B117 certified) in marine bearing applications.

Q: What certifications do your cylindrical roller bearing units have?
A: ISO 9001, ASTM A295, and EN 10204 3.1 material traceability, alongside MSHA and ATEX certs.

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