NC140AR0
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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NC140AR0 Bearing Product Overview & Core Advantages
The NC140AR0 is a single row angular contact ball bearing engineered for precision applications requiring high load capacity and dimensional stability. Manufactured to ABEC-1 precision class with inch measurements, this bearing excels in handling combined radial and axial loads simultaneously through its optimized 30° contact angle. Featuring Endura-kote chromium plating for enhanced corrosion resistance and lubricated construction, it delivers reliable performance in demanding environments while maintaining tight dimensional tolerances across all critical surfaces.
NC140AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| NC140 | Bearing series designation with 14" bore diameter | Standardized inch sizing for industrial applications |
| A | Angular contact design | Optimized for combined load applications |
| R0 | Radial internal clearance specification | Precise internal fit for optimal performance |
Structural Features & Performance Advantages
Premium Material Construction: Manufactured from chrome steel rings and chrome steel balls with brass cage, ensuring high strength and durability under heavy loads. The Endura-kote chromium plating provides superior corrosion protection in harsh environments.
Enhanced Load Capacity: With a radial dynamic load rating of 2347 lbf and axial static load rating of 6170 lbf, this bearing handles significant combined loads efficiently. The 30° contact angle optimizes axial load carrying capability while maintaining radial load performance.
Precision Engineering: Built to ABEC-1 tolerance class with tight dimensional controls including bore diameter tolerance of -0.0014" to 0" and radial internal clearance of 0.0000-0.0005", ensuring smooth operation and precise positioning in critical applications.
Temperature Resilience: Operating temperature range of -30°C to 110°C with pre-lubrication ensures consistent performance across varied environmental conditions.
NC140AR0 Bearing Typical Application Areas
- Industrial Machinery: Precision spindles, rotary tables, and positioning systems
- Aerospace Systems: Actuator mechanisms, control surface assemblies
- Heavy Equipment: Construction machinery pivot points, agricultural equipment
- Material Handling: Conveyor systems, robotic arm joints
- Marine Applications: Deck machinery, steering systems requiring corrosion resistance
