NA020AR0
1/4" 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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NA020AR0 Bearing Product Overview & Core Advantages
The NA020AR0 is a single row angular contact ball bearing engineered for precision applications requiring high reliability. Featuring inch dimensions with a 2" bore and Endura-kote chromium plating, this bearing delivers superior corrosion resistance and extended service life. Its 30° contact angle is optimized to handle significant combined radial and axial loads simultaneously, while the ABEC-1 precision class ensures consistent performance in demanding operational environments. The compact 0.25" width makes it ideal for space-constrained applications where high load capacity and precision are critical.
NA020AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| NA020 | Basic bearing designation with inch sizing |
| A | Angular contact design with 30° contact angle |
| R0 | Standard radial internal clearance (0.0000-0.0005") |
NA020AR0 Bearing Structural Features & Performance Benefits
High Load Capacity Design: The single row angular contact configuration with chrome steel balls and rings provides exceptional radial dynamic load rating of 405 lbf and axial static load capacity of 960 lbf, enabling reliable operation under combined loading conditions.
Precision Engineering: Manufactured to ABEC-1 tolerance class with controlled radial internal clearance, this bearing ensures smooth operation and minimal vibration. The brass cage maintains proper ball spacing for consistent performance at various speeds.
Enhanced Durability: The Endura-kote chromium plating surface treatment significantly improves corrosion resistance and wear characteristics, while the chrome steel construction provides excellent hardness and fatigue resistance across the operating temperature range of -30°C to 110°C.
Compact & Lightweight: With a slim 0.25" width and weight of only 0.1 lbs, this bearing offers high performance in minimal space, making it ideal for precision instruments and compact mechanisms.
NA020AR0 Bearing Typical Application Areas
- Precision instrumentation and measuring equipment
- Aerospace components and guidance systems
- Medical devices requiring high reliability and corrosion resistance
- Robotic joints and automation equipment
- Optical positioning systems and rotary tables
- High-precision spindles in specialized machinery
