NC120AR0
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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NC120AR0 Bearing Product Overview & Core Advantages
The NC120AR0 is a single row angular contact ball bearing engineered for precision applications requiring high load capacity and dimensional stability. Featuring inch-series dimensions with a substantial 12" bore, this bearing is specifically designed to handle combined loads where significant axial and radial forces are present simultaneously. Its 30° contact angle optimizes axial load carrying capability while maintaining excellent radial performance. The Endura-kote chromium plating provides superior corrosion resistance and extended service life in demanding environments, making it an ideal choice for applications where reliability and precision are paramount.
NC120AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| NC120 | Basic bearing designation with 12" bore diameter | Standardized identification for large bore applications |
| A | Angular contact design with 30° contact angle | Optimized for combined radial and axial loading |
| R0 | Radial internal clearance specification | Precise internal fit for optimal performance |
NC120AR0 Bearing Structural Features & Performance Benefits
Premium Material Construction: Manufactured from chrome steel for both rings and balls, ensuring high strength and durability under heavy loads. The brass cage provides excellent stability and guidance at operational speeds.
Enhanced Load Capacity: With a radial dynamic load rating of 2147 lbf and axial static load rating of 5570 lbf, this bearing delivers exceptional performance in applications requiring substantial load support. The 30° contact angle specifically enhances axial load carrying capability while maintaining robust radial performance.
Precision Engineering: Built to ABEC-1 tolerance class with tight dimensional controls including bore and outside diameter tolerances of -0.0014" to 0", ensuring precise fit and reliable operation in precision machinery.
Corrosion Protection: The Endura-kote chromium plating provides superior surface protection against corrosion, extending service life in challenging environments where moisture or contaminants are present.
NC120AR0 Bearing Typical Application Areas
- Large industrial machinery requiring substantial bore diameters
- Precision rotary tables and indexing systems
- Heavy-duty pumps and compressor systems
- Material handling equipment with combined loading requirements
- Industrial automation systems requiring reliable angular contact bearings
- Construction equipment where corrosion resistance is critical
