NF120AR0
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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NF120AR0 Bearing Product Overview & Core Advantages
The NF120AR0 is a single row angular contact ball bearing designed for high-performance applications requiring precision and reliability. Manufactured with inch dimensions (12" bore), this bearing features Endura-kote chromium plating for enhanced corrosion resistance and durability. Its optimized 30° contact angle provides superior axial load capacity while maintaining excellent radial load handling. The bearing's ABEC-1 precision tolerance ensures consistent performance in demanding industrial environments, making it ideal for applications requiring both high static load moment capacity and precise rotational accuracy.
NF120AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| NF120 | Bearing series designation with inch dimensions | Standardized sizing for North American applications |
| A | Angular contact design | Optimized for combined radial and axial loads |
| R0 | Standard radial clearance (0.0000 – 0.0005") | Consistent performance across temperature variations |
NF120AR0 Bearing Structural Features & Performance Benefits
Premium Material Construction: The NF120AR0 utilizes chrome steel rings and chrome steel balls for maximum durability and load capacity. The brass cage provides excellent stability at various operating speeds, ensuring smooth rotation and extended service life.
Advanced Surface Treatment: The Endura-kote chromium plating offers superior corrosion resistance, making this bearing suitable for harsh environments where moisture or contaminants are present. This coating also reduces friction and wear, contributing to longer operational life.
Optimized Load Distribution: With a 30° contact angle, this angular contact bearing efficiently handles combined loads, supporting significant axial static load capacity (16,290 lbf) while maintaining excellent radial dynamic load rating (6,487 lbf). The precise internal geometry ensures optimal stress distribution across all rolling elements.
Precision Engineering: Manufactured to ABEC-1 tolerance standards with tight dimensional control (bore tolerance: -0.0014"– 0"), this bearing delivers consistent performance in precision applications. The controlled radial internal clearance ensures optimal preload conditions and thermal stability.
NF120AR0 Bearing Typical Application Areas
- Industrial Machinery: Precision spindles, rotary tables, and positioning systems requiring high axial stiffness
- Material Handling Equipment: Heavy-duty conveyor systems, turntables, and rotating platforms
- Agricultural Machinery: Large implement wheels, pivot irrigation systems, and harvesting equipment
- Construction Equipment: Excavator swing mechanisms, crane rotation systems, and heavy vehicle components
- Energy Sector: Wind turbine pitch control systems, generator components, and hydraulic machinery
- Marine Applications: Deck machinery, steering systems, and propulsion components requiring corrosion resistance
