NC040AR0
3/8" 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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NC040AR0 Bearing Product Overview & Core Advantages
The NC040AR0 is a high-performance Angular Contact Ball Bearing designed for precision applications requiring superior load handling. This inch-series bearing features a 30° contact angle optimized for combined radial and axial loads, with Chromium Plating (Endura-kote) providing enhanced corrosion resistance. Its ABEC-1 precision tolerance and brass cage construction ensure reliable operation in demanding environments, making it ideal for applications where high rigidity and consistent performance are critical.
NC040AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| NC040 | Bore diameter: 4" | Standard inch sizing for compatibility |
| A | Angular Contact design | Optimized for combined loading |
| R0 | Radial internal clearance specification | Precision fit for thermal management |
NC040AR0 Bearing Structural Features & Performance Benefits
Single Row Angular Contact Design: The 30° contact angle enables efficient handling of combined radial and axial loads, with axial static load capacity of 2770 lbf providing exceptional thrust resistance.
Premium Material Construction: Chrome steel rings and balls with brass cage deliver high strength and thermal stability, while Endura-kote chromium plating significantly enhances corrosion resistance in harsh environments.
Precision Engineering: ABEC-1 tolerance class ensures consistent performance with tight dimensional control, and radial internal clearance of 0.0000-0.0005" provides optimal running precision.
Enhanced Load Capacity: With radial dynamic load rating of 1153 lbf and static load moment of 7360 lbf, this bearing offers reliable performance under significant operational stresses.
NC040AR0 Bearing Typical Application Areas
- Precision Machine Tools: Spindles and rotary tables requiring high accuracy
- Aerospace Systems: Actuators and control mechanisms
- Medical Equipment: High-precision rotary components
- Industrial Robotics: Joint and articulation points
- Military and Defense Systems: Where corrosion resistance and reliability are critical
