SB020AR0
5/16" Stainless Steel 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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SB020AR0 Bearing Product Overview & Core Advantages
The SB020AR0 is a high-performance thin section angular contact ball bearing engineered for precision applications requiring exceptional rigidity and accuracy. Designed with a 30° contact angle, this bearing excels at handling combined radial and axial loads simultaneously. Manufactured entirely from stainless steel with a brass cage, it offers superior corrosion resistance and reliable operation in demanding environments. Its compact thin-section design provides maximum load capacity within minimal space constraints, making it ideal for precision machinery where size and weight are critical factors.
SB020AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Impact |
|---|---|---|
| SB | Stainless Steel Bearing series | Corrosion resistance for harsh environments |
| 020 | Bore diameter: 2 inches | Standard inch sizing for compatibility |
| A | 30° contact angle | Optimized for combined load capacity |
| R0 | Radial internal clearance specification | Precision fit for accurate positioning |
SB020AR0 Bearing Structural Features & Performance Benefits
Advanced Material Construction: The combination of stainless steel rings and balls with a brass cage ensures excellent corrosion resistance and dimensional stability across the operating temperature range of -30°C to 110°C.
High Load Capacity Design: With a 30° contact angle and optimized raceway geometry, this bearing delivers exceptional radial dynamic load rating of 601 lbf and axial static load capacity of 1380 lbf, making it suitable for applications experiencing significant thrust loads.
Precision Engineering: Manufactured to ABEC-1 tolerance class with tight dimensional controls, including bore diameter tolerance of -0.0006" to 0" and radial internal clearance of 0.0000" to 0.0005", ensuring consistent performance and accurate positioning.
Space-Optimized Design: The thin section construction (0.3125" width) provides maximum performance in minimal space, while maintaining a static load moment rating of 3150 lbf for applications requiring moment load resistance.
SB020AR0 Bearing Typical Application Areas
- Robotics and Automation: Precision joints and articulated arms requiring high moment capacity and corrosion resistance
- Aerospace Systems: Control mechanisms, actuation systems, and instrumentation where weight savings are critical
- Medical Equipment: Surgical robots, imaging systems, and diagnostic devices demanding sterile environments
- Semiconductor Manufacturing: Precision positioning stages and wafer handling equipment
- Optical and Imaging Systems: Precision rotary stages and positioning mechanisms requiring minimal deflection
- Food Processing Machinery: Equipment requiring corrosion-resistant components for washdown environments
