NF045AR0
3/4" 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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NF045AR0 Bearing Product Overview & Core Advantages
The NF045AR0 is a single row angular contact ball bearing engineered for precision applications requiring high load capacity and dimensional stability. Featuring a 30° contact angle, this bearing is optimized to support significant combined radial and axial loads simultaneously. Manufactured to ABEC-1 precision tolerances with a durable Endura-kote chromium plating, it offers excellent corrosion resistance and long service life in demanding environments. Its inch-series design with a 4.5" bore makes it ideal for high-performance industrial machinery.
NF045AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NF045 | Bearing series designation with 4.5" bore diameter |
| A | Angular contact design with 30° contact angle |
| R0 | Standard radial internal clearance (0.0000 – 0.0005") |
NF045AR0 Bearing Structural Features & Performance Benefits
High Load Capacity: The single row angular contact design with 30° contact angle enables superior performance under combined radial and axial loads, with impressive ratings of 3966 lbf dynamic and 7090 lbf static radial capacity.
Precision Engineering: Manufactured to ABEC-1 tolerance class with tight dimensional controls (bore tolerance: -0.0008"– 0"), ensuring consistent performance and easy installation in precision applications.
Enhanced Durability: Constructed from chrome steel rings and balls with brass cage for optimal strength and reliability. The Endura-kote chromium plating provides superior corrosion resistance in harsh environments.
Optimized Design: Features precise shoulder diameters (inner: 5.055", outer small-side: 5.445", outer large-side: 5.615") for proper mounting and alignment, maximizing bearing life and performance.
NF045AR0 Bearing Typical Application Areas
- Precision machine tools and spindle assemblies
- Industrial pumps and compressor systems
- Aerospace components and positioning systems
- Medical equipment requiring high precision and reliability
- Robotics and automation systems demanding accurate angular contact performance
- Material handling equipment with combined loading requirements
