NA065AR0
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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NA065AR0 Bearing Product Overview & Core Advantages
The NA065AR0 is a single row angular contact ball bearing designed for precision applications requiring high accuracy and reliability. Featuring Endura-kote chromium plating, this bearing offers superior corrosion resistance and extended service life. Its 30° contact angle enables optimal performance under combined radial and axial loads, while the ABEC-1 precision class ensures consistent operation in demanding environments. The compact design with 0.25" width makes it ideal for space-constrained applications where precision and durability are paramount.
NA065AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| NA | Standard angular contact bearing designation | Indicates optimized design for combined loads |
| 065 | Bore diameter: 6.5 inches | Standard inch size for industrial applications |
| A | 30° contact angle | Enhanced axial load capacity and stiffness |
| R0 | Standard radial internal clearance | Optimal performance under normal operating conditions |
NA065AR0 Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to ABEC-1 tolerance standards with bore and outside diameter tolerances of -0.0010" to 0", ensuring precise fit and reliable performance in precision applications.
Superior Material Composition: Constructed with chrome steel rings and chrome steel balls for excellent wear resistance, combined with a brass cage that provides superior strength and temperature stability.
Advanced Surface Treatment: Features Endura-kote chromium plating that significantly enhances corrosion resistance and extends bearing life in harsh environments.
Optimized Load Capacity: With a radial dynamic load rating of 788 lbf and axial static load rating of 2000 lbf, this bearing effectively handles combined loading conditions while maintaining precision.
Precise Internal Clearance: Controlled radial internal clearance of 0.0000" to 0.0005" ensures smooth operation and minimal vibration in precision applications.
NA065AR0 Bearing Typical Application Areas
- Precision machine tools and spindle applications
- Industrial robotics and automation equipment
- Aerospace components requiring corrosion-resistant bearings
- Medical equipment and precision instruments
- Food processing machinery where corrosion resistance is critical
- Semiconductor manufacturing equipment
- High-precision positioning systems
