NB050AR0
5/16" Constant Section Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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NB050AR0 Bearing Product Overview & Core Advantages
The NB050AR0 is a single row angular contact ball bearing designed for high-precision applications requiring exceptional performance under combined loads. Featuring inch dimensions and Endura-kote chromium plating, this bearing excels in applications demanding corrosion resistance and extended service life. Its 30° contact angle provides superior axial load capacity while maintaining excellent radial load handling. Manufactured to ABEC-1 precision standards, this bearing offers reliable performance in demanding industrial environments where precision and durability are critical.
NB050AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning | Performance Benefit |
| NB050 | Bore size designation (5 inches) | Standard inch sizing for compatibility |
| A | Angular Contact design | Optimized for combined radial and axial loads |
| R0 | Open design (no seals) | Maximum speed capability and custom lubrication options |
NB050AR0 Bearing Structural Features & Performance Benefits
Premium Material Construction: Manufactured from chrome steel rings and balls with brass cage, ensuring dimensional stability and reliable operation under varying thermal conditions.
Enhanced Load Capacity: The 30° contact angle enables superior handling of combined radial and axial loads, with static load ratings of 2500 lbf radial and 2410 lbf axial.
Precision Engineering: Built to ABEC-1 tolerance class with tight dimensional controls, including bore diameter tolerance of -0.0010" to 0" and radial internal clearance of 0.0000-0.0005".
Corrosion Resistance: Endura-kote chromium plating provides exceptional surface protection, extending bearing life in challenging environments while maintaining ROHS compliance.
Thermal Performance: Operating temperature range of -30°C to 110°C ensures reliable performance across diverse industrial applications.
NB050AR0 Bearing Typical Application Areas
- Precision Machine Tools: Spindle applications requiring high accuracy and reliability
- Aerospace Systems: Actuators and control mechanisms demanding inch-sized precision components
- Industrial Robotics: Joint and pivot points requiring angular contact capabilities
- Medical Equipment: High-precision imaging and diagnostic systems
- Military & Defense Systems: Applications requiring corrosion-resistant, reliable bearing solutions
- Specialized Machinery: Equipment operating in corrosive or demanding environments
