SB025AR0
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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SB025AR0 Bearing Product Overview & Core Advantages
The SB025AR0 is a thin-section angular contact ball bearing designed for applications requiring high precision and space optimization. As part of the Reali-Slim Stainless Steel Bearings series, it features a single-row construction with a 30° contact angle, enabling it to efficiently handle combined radial and axial loads. Manufactured entirely from stainless steel with a brass cage, this bearing offers excellent corrosion resistance and reliable performance in demanding environments. Its compact cross-section makes it ideal for applications where weight and space savings are critical while maintaining high rigidity and precision.
SB025AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SB | Stainless Steel Bearing series |
| 025 | Bore diameter: 2.5 inches |
| A | Angular contact design |
| R0 | Open design (no seals) |
SB025AR0 Bearing Structural Features & Performance Benefits
Thin-Section Design: With a cross-section of only 0.3125", this bearing provides significant space and weight savings while maintaining structural integrity, making it perfect for compact machinery designs.
Angular Contact Performance: The 30° contact angle enables superior axial load capacity (1590 lbf static) while maintaining excellent radial load handling (1340 lbf static), making it ideal for applications with combined loading conditions.
Precision Engineering: Manufactured to ABEC-1 tolerance class with tight dimensional controls (bore tolerance: -0.0006" to 0"), ensuring consistent performance and reliable operation in precision applications.
Material Advantages: Constructed entirely from stainless steel components with a brass cage, providing excellent corrosion resistance and durability across a wide temperature range (-30°C to 110°C).
SB025AR0 Bearing Typical Application Areas
Aerospace Systems: Guidance mechanisms, control surfaces, and instrumentation where weight savings and reliability are critical
Medical Equipment: Surgical robots, imaging devices, and precision medical instruments requiring corrosion resistance and high precision
Semiconductor Manufacturing: Wafer handling equipment, precision positioning stages, and cleanroom applications
Robotics & Automation: Joint mechanisms, rotary tables, and precision motion control systems requiring compact bearing dimensions
Optical & Instrumentation: Precision rotary stages, measuring equipment, and scientific instruments where minimal deflection and high accuracy are essential
