NA075AR0
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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NA075AR0 Bearing Product Overview & Core Advantages
The NA075AR0 is a precision angular contact ball bearing designed for high-performance applications requiring exceptional rigidity and load capacity. Manufactured to ABEC-1 tolerance standards, this single row bearing features a 30° contact angle optimized to handle combined loads—simultaneously supporting significant radial and axial forces. Its Endura-kote chromium plating provides superior corrosion resistance, while the brass cage ensures stable operation. With a compact cross-section (0.25" width) relative to its 7.5" bore, it delivers high rigidity and reliable performance in demanding environments.
NA075AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NA075 | Bearing series designation with 7.5" bore diameter |
| A | 30° contact angle design for optimal axial load capacity |
| R0 | Standard radial internal clearance designation |
NA075AR0 Bearing Structural Features & Performance Benefits
Optimized Contact Angle & Load Capacity: The 30° contact angle enables the bearing to efficiently handle combined radial and axial loads, with impressive static load ratings of 2720 lbf radial and 2190 lbf axial.
Premium Material Construction: Manufactured from chrome steel for both rings and balls, combined with a brass cage, this construction ensures dimensional stability, reduced wear, and smooth operation under various load conditions.
Enhanced Surface Protection: The Endura-kote chromium plating provides excellent corrosion resistance, extending service life in challenging environments while maintaining precise bearing dimensions.
Precision Engineering: Built to ABEC-1 tolerance standards with tight dimensional controls, including bore and outside diameter tolerances of -0.0012" to 0", ensuring consistent performance and easy installation.
NA075AR0 Bearing Typical Application Areas
- Precision machine tool spindles and rotating components
- Industrial pumps and compressors requiring high load capacity
- Aerospace positioning systems and flight control mechanisms
- Robotic arm joints and precision motion control systems
- Medical imaging equipment and diagnostic machinery
- Semiconductor manufacturing equipment requiring corrosion-resistant components
