NB030AR0
5/16" Constant Section Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
NB030AR0 Bearing Product Overview & Core Advantages
The NB030AR0 is a high-performance Angular Contact Ball Bearing engineered for precision applications requiring superior load handling and dimensional stability. Manufactured in inch dimensions with a 30° contact angle, this single-row bearing is optimized to support significant combined radial and axial loads simultaneously. Its Endura-Kote chromium plating provides enhanced corrosion resistance, while the ABEC-1 precision class ensures reliable operation in demanding industrial environments. The bearing is pre-lubricated for immediate service, offering a robust solution for high-rigidity mounting arrangements.
NB030AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NB | Manufacturer Series Identifier |
| 030 | Bore Size: 3 inches |
| A | Angular Contact design with 30° contact angle |
| R | Brass (Rivetless) cage construction |
| 0 | Open (unsealed) design |
NB030AR0 Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The 30° contact angle and precision-ground raceways enable the NB030AR0 to efficiently handle combined radial and axial loads, with a static axial load rating of 1750 lbf and radial dynamic rating of 734 lbf.
Precision Engineering: Manufactured to ABEC-1 tolerance standards with tight dimensional control (bore tolerance: -0.0006" to 0"), ensuring consistent performance and easy installation in precision assemblies.
Enhanced Durability: The chrome steel rings and balls, combined with a brass cage, provide excellent wear resistance and dimensional stability under load. The Endura-Kote plating offers superior corrosion protection for extended service life.
Thermal Performance: Operating temperature range of -30°C to 110°C allows for reliable performance in varied environmental conditions.
NB030AR0 Bearing Typical Application Areas
The NB030AR0 angular contact ball bearing is ideally suited for:
- Precision machine tool spindles and rotating assemblies
- Industrial pumps and compressor systems
- Aerospace components and positioning systems
- Medical equipment requiring high precision and reliability
- Robotics and automation systems with combined loading requirements
