NA030AR0
1/4" 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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NA030AR0 Bearing Product Overview & Core Advantages
The NA030AR0 is a single row angular contact ball bearing designed for high-precision applications requiring exceptional performance under combined loads. Featuring inch dimensions with a 3" bore and Endura-kote chromium plating, this bearing delivers superior corrosion resistance and durability. Its 30° contact angle enables efficient handling of both radial loads and substantial axial loads in one direction, making it ideal for compact spaces where high reliability and precision are paramount. The ABEC-1 tolerance class ensures consistent performance in demanding operational environments.
NA030AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| NA | Standard angular contact bearing series | Proven design for reliable performance |
| 030 | 3" bore diameter (030 = 3.0 inches) | Standard inch sizing for compatibility |
| A | 30° contact angle design | Optimized for combined load capacity |
| R0 | Standard radial clearance & open design | Versatile for various lubrication systems |
NA030AR0 Bearing Structural Features & Performance Benefits
Advanced Material Construction: Manufactured from chrome steel rings and balls with brass cage, this bearing ensures optimal strength and wear resistance. The Endura-kote chromium plating provides exceptional corrosion protection, extending service life in challenging environments.
High Load Capacity: With a 30° contact angle and precision engineering, the NA030AR0 achieves outstanding radial dynamic load rating of 507 lbf and axial static load capacity of 1230 lbf, making it suitable for applications requiring robust combined load handling.
Precision Engineering: The ABEC-1 tolerance class and tight dimensional controls (bore tolerance: -0.0006" to 0") ensure consistent performance and smooth operation. The optimized radial internal clearance (0.0000 – 0.0005") provides stable running characteristics under various operating conditions.
Temperature Performance: Operating range of -30°C to 110°C allows for reliable performance across diverse industrial environments while maintaining dimensional stability.
NA030AR0 Bearing Typical Application Areas
- Precision machine tools and spindle assemblies
- Aerospace components and actuation systems
- Medical equipment requiring high reliability
- Robotics and automation systems
- Optical positioning equipment and instruments
- Test and measurement apparatus
- High-performance pumps and compressors
