NB200AR0
5/16" 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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NB200AR0 Bearing Product Overview & Core Advantages
The NB200AR0 is a single row angular contact ball bearing engineered for high-performance applications requiring exceptional precision and reliability. Featuring inch dimensions and Endura-kote chromium plating, this bearing is specifically designed to handle significant combined loads, including both radial and axial forces in one direction. Its compact design with a 0.3125" width and 20" bore makes it ideal for space-constrained, high-precision assemblies. The bearing's 30° contact angle provides optimized axial load capacity while maintaining excellent operational stability.
NB200AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| NB200 | Basic bearing designation with 20" bore diameter | Standardized sizing for compatibility |
| A | Angular contact design | Optimized for combined radial and axial loads |
| R0 | Open (unsealed) construction | Maximum speed capability and custom lubrication options |
NB200AR0 Bearing Structural Features & Performance Benefits
Premium Material Construction: Manufactured from chrome steel for both rings and balls, combined with a brass cage, this bearing delivers exceptional durability and wear resistance. The chromium plating provides superior corrosion protection in demanding environments.
High Load Capacity: With a radial dynamic load rating of 2162 lbf and axial static load rating of 5900 lbf, this bearing excels in applications requiring substantial load support. The 30° contact angle ensures optimal force distribution and enhanced axial load handling.
Precision Engineering: Built to ABEC-1 tolerance class with tight dimensional control (bore and OD tolerance: -0.0018" to 0"), this bearing guarantees consistent performance and reliable operation in precision machinery.
Thermal Performance: Operating temperature range of -30°C to 110°C ensures stable performance across diverse environmental conditions.
NB200AR0 Bearing Typical Application Areas
- Precision machine tool spindles and rotary tables
- Aerospace positioning systems and guidance mechanisms
- Industrial robotics and automation equipment
- Medical imaging devices and diagnostic equipment
- Semiconductor manufacturing equipment
- High-precision measuring instruments and optical systems
