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Industrial Bearings
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NKI20/20 Needle Roller Bearing
NKI20/20 Needle Roller Bearing | Slim Design, High Load Capacity
Product Overview
The NKI20/20 is a high-performance needle roller bearing with inner ring, engineered to deliver exceptional radial load capacity in compact spaces.
Key Advantages:
✅ High Radial Load Rating – Optimized needle roller design for maximum durability
✅ Space-Saving Profile – Ultra-thin section height (ideal for confined assemblies)
✅ Integrated Inner Ring – Precisely ground raceway eliminates alignment issues
✅ ISO Standard Compliance – Interchangeable with DIN 5405-2 specifications
✅ Extended Service Life – Hardened to HRC 60-64 for reduced wear
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | NKI20/20 |
| Inner Diameter (d) | 20 mm |
| Outer Diameter (D) | 35 mm |
| Width (B) | 20 mm |
| Dynamic Load (Cr) | 18.5 kN |
| Static Load (Cor) | 26 kN |
| Limiting Speed | 6,000 RPM (Oil) |
| Material | Chrome Steel (AISI 52100) |
| Hardness | HRC 60-64 |
| Operating Temp | -30°C to +150°C |
Typical Applications
NKI20/20 bearings excel in high-load, space-critical environments:
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Automotive Systems: Gearbox shafts, transmission linkages, steering columns
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Industrial Machinery: Printing press rollers, packaging equipment, conveyor drives
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Agricultural Equipment: Combine harvester joints, tractor PTO shafts
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Robotics : Rotary joints, articulated arm pivots
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Textile Machinery : High-speed loom spindles
Why Choose Xiamen Golden Bridge?
Two Decades of Global Expertise – Your trusted bearing partner since 2004:
🔹 ISO-Certified Manufacturing – Consistent quality per ISO 9001:2015 standards
🔹 End-to-End Solutions – Factory direct pricing with global logistics support
🔹 Technical Customization – Modified tolerances, coatings (Zn, Ni), or seals
🔹 24/7 Engineering Support – Application analysis and failure diagnostics