SA020AR0
1/4" 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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SA020AR0 Bearing Product Overview & Core Advantages
The SA020AR0 is a thin-section angular contact ball bearing engineered for applications requiring high precision and space optimization. Manufactured with stainless steel rings and balls and a brass cage, this bearing is designed to handle combined radial and axial loads simultaneously. Its compact cross-section (0.25" width) and 30° contact angle make it ideal for high-accuracy, moderate-speed applications where corrosion resistance and reliable performance are critical.
SA020AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| SA | Stainless Steel Construction | Provides excellent corrosion resistance |
| 02 | Bore Diameter Series (2") | Standard inch size designation |
| 0 | Outside Diameter Series (2.5") | Defines outer dimension compatibility |
| AR | Angular Contact, Single Row | Optimized for combined loading conditions |
| 0 | Open Design | No seals for maximum speed capability |
SA020AR0 Bearing Structural Features & Performance Benefits
Thin-Section Design: With only 0.25" width and optimized cross-section, this bearing enables compact machine designs while maintaining structural integrity.
Angular Contact Configuration: The 30° contact angle provides superior axial load capacity (960 lbf static) while maintaining excellent radial load performance (790 lbf static).
Precision Engineering: Manufactured to ABEC-1 tolerance standards with controlled radial internal clearance (0.0000 – 0.0005") for consistent performance and smooth operation.
Material Excellence: Stainless steel construction throughout provides corrosion resistance, while the brass cage ensures reliable operation across the temperature range of -30°C to 110°C.
SA020AR0 Bearing Typical Application Areas
- Medical Equipment: Surgical robots, imaging systems, and precision medical devices
- Aerospace Systems: Guidance mechanisms, actuator systems, and instrumentation
- Semiconductor Manufacturing: Wafer handling equipment and precision positioning stages
- Robotics: Joint mechanisms and precision articulation points
- Optical Instruments: Precision rotary stages and alignment systems
