SF070AR0
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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SF070AR0 Bearing Product Overview & Core Advantages
The SF070AR0 is a high-performance thin section angular contact ball bearing designed for applications requiring precise motion control and space optimization. Manufactured with stainless steel rings and balls and a brass cage, this bearing offers excellent corrosion resistance and durability. Its 30° contact angle is engineered to support significant combined loads, effectively handling both radial and axial forces simultaneously. With an ABEC-1 precision class and inch-system dimensions (7" bore, 8.5" OD, 0.75" width), it delivers reliable performance in compact designs where high rigidity and accurate rotation are critical.
SF070AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SF070 | Indicates the Reali-Slim thin-section bearing series with specific cross-section dimensions |
| A | Signifies Angular Contact design with 30° contact angle |
| R0 | Denotes Open (unsealed) construction and standard internal clearance |
SF070AR0 Bearing Structural Features & Performance Benefits
Advanced Material Construction: The combination of stainless steel rings and balls with a brass cage provides superior corrosion resistance and stable operation across a wide temperature range (-30°C to 110°C). This material selection ensures long-term reliability in harsh environments.
High Load Capacity Design: With a 30° contact angle, this bearing efficiently manages combined radial and axial loads. The radial dynamic load rating of 4932 lbf and axial static load rating of 11770 lbf demonstrate its capability to handle demanding applications while maintaining precision.
Precision Engineering: Manufactured to ABEC-1 tolerance standards with tight dimensional controls (bore tolerance: -0.0010" to 0"), this bearing ensures smooth, accurate rotation. The optimized radial internal clearance (0.0000 - 0.0005") contributes to reduced vibration and enhanced positioning accuracy.
Space-Saving Thin Section: The compact cross-section (0.75" width) relative to the large bore diameter (7") makes this bearing ideal for applications where space constraints are critical, without compromising on load capacity or performance.
SF070AR0 Bearing Typical Application Areas
- Robotics and Automation: Rotary joints, robotic arms, and precision positioning systems requiring high moment capacity (30330 lbf static load moment)
- Aerospace and Defense: Guidance systems, radar platforms, and satellite mechanisms where corrosion resistance and reliability are essential
- Medical Equipment: CT scanners, MRI systems, and surgical robots demanding smooth, precise motion and clean operation
- Semiconductor Manufacturing: Wafer handling equipment, precision stages, and cleanroom applications benefiting from stainless steel construction
- Optical and Instrumentation: Telescope mounts, measuring instruments, and surveillance systems requiring high rotational accuracy
