SG140AR0
1" 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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SG140AR0 Bearing Product Overview & Core Advantages
The SG140AR0 is a thin-section angular contact ball bearing engineered for applications demanding high precision and space optimization. As part of the Reali-Slim Stainless Steel Bearings series, it features a single-row design with a 30° contact angle, making it exceptionally capable of handling combined radial and axial loads simultaneously. Its inch-series construction provides a compact cross-section relative to its large bore diameter, offering superior performance in weight-sensitive and corrosion-prone environments due to its all-stainless-steel construction.
SG140AR0 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| SG | Indicates the bearing series: Reali-Slim® Thin Section Bearings |
| 140 | Specifies the bore diameter in inches (14.0") |
| A | Denotes Angular Contact design with 30° contact angle |
| R | Specifies Stainless Steel construction for rings and balls |
| 0 | Indicates Open seal type (no shields or seals) |
SG140AR0 Bearing Structural Features & Performance Benefits
Thin-Section Design: The bearing's compact cross-section (1" width with 14" bore) enables significant space and weight savings in large-diameter applications, making it ideal for robotic arms and aerospace mechanisms.
High Load Capacity: With a radial dynamic load rating of 11,338 lbf and axial static load rating of 28,360 lbf, this bearing delivers exceptional performance under combined loading conditions.
Precision Engineering: Manufactured to ABEC-1 tolerance class with controlled radial internal clearance (0.0000 – 0.0005"), ensuring smooth operation and precise positioning accuracy.
Corrosion Resistance: The complete stainless steel construction (rings and balls) with brass cage provides excellent corrosion resistance, suitable for harsh environments and cleanroom applications.
Temperature Compatibility: Operating temperature range of -30°C to 110°C with standard lubrication, accommodating most industrial environments.
SG140AR0 Bearing Typical Application Areas
- Aerospace & Defense: Actuation systems, radar platforms, and satellite mechanisms
- Robotics: Robotic arms, joints, and precision positioning systems
- Medical Equipment: MRI scanners, surgical robots, and diagnostic imaging devices
- Semiconductor Manufacturing: Wafer handling robots and precision stages
- Optical Systems: Telescope mounts, mirror positioning systems, and precision instrumentation
