SF042AR0
3/4" 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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SF042AR0 Bearing Product Overview & Core Advantages
The SF042AR0 is a single row angular contact ball bearing from the Reali-Slim Stainless Steel Bearings series designed for applications requiring high precision and corrosion resistance. This thin section bearing features a 30° contact angle, enabling it to efficiently handle combined radial and axial loads. Manufactured to ABEC-1 precision standards with all-stainless steel construction, it delivers reliable performance in demanding environments while maintaining minimal cross-section dimensions (4.25" bore × 5.75" OD × 0.75" width).
SF042AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SF | Stainless Steel bearing series |
| 042 | Bore diameter: 4.25 inches |
| A | 30° contact angle design |
| R | Reali-Slim thin section construction |
| 0 | Open (unsealed) configuration |
SF042AR0 Bearing Structural Features & Performance Benefits
Advanced Material Construction: Manufactured with stainless steel rings and balls combined with a brass cage, this bearing offers excellent corrosion resistance and durability in harsh environments.
High Load Capacity: The 30° contact angle enables superior axial load capacity (8630 lbf static) while maintaining substantial radial load rating (3805 lbf dynamic). The optimized geometry provides exceptional static load moment capacity of 19050 lbf.
Precision Performance: Built to ABEC-1 tolerance class with tight dimensional control (bore/OD tolerance: -0.0008" to 0"), ensuring smooth operation and precise positioning in precision applications.
Temperature Compatibility: Suitable for operating temperatures from -30°C to 110°C, making it versatile for various industrial environments.
SF042AR0 Bearing Typical Application Areas
- Aerospace components and guidance systems
- Medical equipment and surgical devices
- Robotics and automation systems
- Optical positioning equipment
- Food processing machinery requiring corrosion resistance
- Semiconductor manufacturing equipment
- Military and defense applications
